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Vicia

Vicia is a of approximately 240 of and herbaceous in the family , commonly known as vetches. These typically feature sprawling or climbing stems that are ridged or angled, even-pinnate leaves with 4 to many linear to ovate leaflets, and an axis often ending in a ; their flowers are borne in racemes and are generally lavender to , though sometimes or , with a structure including 9 fused filaments and one free. Fruits are dehiscent , usually oblong and flat, containing two or more seeds. Native to temperate and subtropical regions, extending to tropical mountains, the genus has a broad distribution across , , , and , with some species introduced worldwide. Vicia species are unarmed herbs adapted to a variety of habitats, including grasslands, woodlands, and disturbed areas, and play key ecological roles through nitrogen fixation via symbiotic relationships with . Economically, many Vicia species are valued as forage crops, cover crops, and green manures due to their high protein content and soil-enriching properties. For instance, Vicia sativa (common vetch) is widely cultivated for livestock feed and as a rotational crop to improve soil fertility. Vicia faba (fava bean) stands out as a major food crop for human consumption, providing nutritious seeds rich in protein and micronutrients, while also serving as animal fodder. Additionally, species like Vicia villosa (hairy vetch) are used for erosion control and as pollinator attractants, contributing to sustainable agriculture practices. The genus also holds potential in phytochemistry, with various species containing bioactive compounds of interest for medicinal applications.

Taxonomy

Etymology

The genus name Vicia derives from the Latin word vicia, which refers to vetch and is thought to stem from vincio, meaning "to bind" or "to ," alluding to the plants' twining growth habit. This etymological root reflects the genus's characteristic tendrils that coil around supports for climbing. The term vicia appears in classical Roman texts, notably in Pliny the Elder's Naturalis Historia (ca. 77 CE), where it describes vetch species used as fodder and for their binding qualities in . Common names for Vicia species include "vetch" in English, "tare" (an archaic term often linked to biblical references), and names evoking their relation to fava beans (), such as regional variations like "guisante loco" (meaning "crazy pea") in for species like Vicia hybrida in .

Phylogenetic classification

The genus Vicia is classified within the family (Leguminosae), subfamily , and tribe Fabeae, a group characterized by its papilionoid flowers and nitrogen-fixing capabilities typical of . This placement reflects the genus's evolutionary position among flowering plants in the order , where represents the largest subfamily with over 14,000 species. Within tribe Fabeae, Vicia shares close phylogenetic relationships with genera such as (approximately 160 species), Pisum (2–3 species), (4–6 species), and the monotypic Vavilovia, forming a core group of temperate herbaceous often united by similar stylar features and seed characteristics. Phylogenetic analyses using of chloroplast genes (e.g., matK and rbcL) and nuclear ribosomal (ITS) regions have demonstrated that Vicia forms a monophyletic distinct from these relatives, though some studies highlight a close sister relationship or potential with Lens based on shared morphological and genetic continuums. These molecular approaches, including multilocus sequence data, have resolved the tribe's internal structure, confirming Fabeae as a well-supported monophyletic assemblage within . Infrageneric subdivisions of Vicia traditionally rely on a combination of morphological traits (e.g., structure, patterns, and features) and molecular markers, dividing the genus into two subgenera—Vicia and Vicilla—and further into multiple sections. Representative sections include Section Vicia (encompassing species with articulate s and often cultivated forms like broad bean) and Section Cracca (characterized by inarticulate s and climbing habits), which reflect distinct evolutionary lineages supported by both phenetic clustering and DNA-based phylogenies. Such classifications aid in understanding adaptive radiations within the genus, with molecular data from genomes and RAPD markers reinforcing the sectional boundaries while revealing hybridization potential among closely related groups. Historical taxonomic revisions have shaped the current framework, notably Nigel Maxted's 1993 phenetic study of subgenus Vicia, which analyzed morphological data from over 1,500 specimens to propose a revised infrageneric comprising nine sections, nine series, 38 , 14 , and 22 varieties. This work built on earlier systems, such as those by (1967) and Kupicha (1976), by incorporating to address inconsistencies in prior groupings, and it has been partially validated and refined by subsequent molecular phylogenies that integrate sequence data for more robust evolutionary inferences.

Species diversity

The genus Vicia comprises approximately 240 species of primarily herbaceous , including both and forms, distributed mainly in temperate regions of the . These species exhibit diverse growth habits, from climbing vines to erect or prostrate , and are characterized by their pinnate leaves and tendrils. Notable examples include , the broad bean, a or cultivated for its large, seeds up to 2 cm long, which are rich in protein and used in human diets worldwide. , known as common vetch, is an with small, dark seeds and is widely grown as a and due to its nitrogen-fixing abilities. Another key species, or hairy vetch, is a winter distinguished by its densely hairy stems and leaves, valued in for soil improvement and as a . Infrageneric classification, primarily based on morphological traits, divides Vicia into two subgenera—Vicia and Vicilla—and 22 sections, with species unevenly distributed across them; for instance, Section Vicia (subgenus Vicia) contains about 20 species, many of which are annuals like V. sativa adapted to Mediterranean climates. Section Cracca in subgenus Vicilla, by contrast, includes numerous perennial species with broader temperate distributions. Molecular phylogenetic studies since the early 2000s have prompted taxonomic revisions, including splits within complexes and synonymies; for example, Vicia incisa was recognized as distinct from the V. sativa aggregate based on genetic markers, resolving prior ambiguities in Eurasian taxa. Additionally, analyses have confirmed Vicia as monophyletic within tribe Fabeae, supporting the separation of closely related genera like Lens while occasionally reintegrating peripheral species previously excluded. These updates, driven by DNA sequencing, have refined species boundaries without drastically altering the overall count.

Description

Vegetative morphology

Vicia are primarily annual or that exhibit unarmed forms, ranging from erect to sprawling or climbing habits. Many , such as those in the Vicia, are climbing vines that use tendrils for support, allowing them to reach heights of up to 2 meters when supported by other vegetation, as seen in . Stems in the genus are typically branched, slender, and wingless, often ridged or angled, with textures varying from glabrous to puberulent or pilose depending on the species. In climbing forms, stems are flexible and hollow or solid, facilitating trailing or ascending growth. Erect species, like Vicia faba, produce stouter, square stems that branch from the base to form a bushy habit, reaching 0.6–2.1 meters in height. Leaves are compound and paripinnate, with even-1-pinnate structure featuring 1–13 pairs of alternate to opposite leaflets that are linear to ovate, entire-margined, and typically 4–12 per leaf in many . The rachis usually terminates in a branched for climbing, though some end in a or mucro; stipules are present at the leaf base, often lobed with an upper larger portion and smaller lower lobe, entire to dentate. The is generally fibrous with extensive lateral branching, though some develop a that can extend 1–1.5 meters deep, aiding in exploration and . Roots form symbiotic nodules with bacteria, enabling biological , a characteristic feature of the as .

Reproductive features

The inflorescences of Vicia species are typically axillary racemes or occasionally umbels, bearing 1 to 10 zygomorphic, papilionaceous flowers that resemble those of peas, with colors ranging from and to or in some taxa. These flowers feature a at the top, two wing petals, and a enclosing the stamens and style, adapted for by . The fruits are linear to oblong, dehiscent legumes (pods) that split along two sutures upon maturity, typically measuring 1.5 to 4 cm in length and containing 2 to 10 seeds per pod. Seeds are generally oval to reniform in shape, with a hard, impermeable coat that contributes to their longevity in soil seed banks. Pollination in Vicia is primarily entomophilous, mediated by bees such as bumblebees (Bombus spp.), honey bees (Apis mellifera), and solitary bees, with many species exhibiting self-compatibility but favoring outcrossing for optimal seed set. For instance, in Vicia villosa, cross-pollination by bumblebees is essential for fruit and seed production, as self-pollination rates are low due to sporophytic self-incompatibility. Many Vicia species exhibit physical seed dormancy (hardseededness) caused by the impermeable seed coat, which prevents water uptake and , leading to levels up to 100% in freshly harvested seeds at the yellow pod stage. This can be alleviated through methods, such as mechanical abrasion, acid treatment (e.g., ), or hot water immersion, which increase rates from approximately 40% to over 95% in species like Vicia sativa subsp. nigra. Environmental cues, including alternating temperatures or after-ripening via air-drying, also promote by weakening the coat's impermeability.

Distribution and habitat

Geographic range

The genus Vicia is primarily native to the temperate regions of the , encompassing , , , and . Some species extend into subtropical and tropical montane areas, with the overall native range spanning from the eastward to and westward across the . The serves as the primary center of diversity for Vicia, hosting the highest concentration of species within the genus (~110 species across and ). Secondary centers include (~17 species), temperate (~18 species), and southern , with high diversity also in the and western . This region exhibits striking , with extensions of the genus's distribution occurring in areas such as through historical spread (~15 species in North and tropical ) and in the via natural southward migration into temperate . Numerous Vicia species have been widely introduced beyond their native ranges, establishing populations in temperate zones worldwide, including , additional parts of , and , often as invasive weeds or forage crops. For instance, V. faba originated in the during the period and has since become globally distributed through cultivation. Endemic taxa, such as V. anatolica restricted to the and adjacent areas, highlight localized diversity within the native range.

Environmental preferences

Vicia species thrive in cool temperate climates, with optimal growth temperatures ranging from 10 to 25°C, as observed in common vetches like and . These plants exhibit strong frost tolerance, with hardier cultivars surviving temperatures as low as -15°C, enabling overwintering in regions with cold winters. However, they are sensitive to extreme heat above 30°C, which can reduce growth and yield in warmer subtropical margins of their range. The genus prefers well-drained soils to avoid waterlogging, which many tolerate poorly due to reduced oxygenation and nodulation failures. suitability spans neutral to slightly alkaline conditions (6.0-8.0), with optimal performance in loamy or clay-rich textures that retain without saturation; , for instance, performs best at pH 6.5-7.5 but adapts to broader ranges. As nitrogen-fixing , Vicia species are well-suited to nitrogen-poor soils, enhancing their utility in low-fertility environments through symbiotic associations with . Vicia occurs across a wide altitudinal gradient, from in coastal habitats to elevations exceeding 3000 m in , as seen in species like Vicia americana in the western U.S. mountains. Certain Vicia species demonstrate via extensive deep root systems that access subsoil moisture, allowing survival in semi-arid conditions with annual rainfall as low as 500 mm, particularly in Mediterranean-adapted taxa. Conversely, waterlogging sensitivity is prevalent, with prolonged saturation leading to and diminished symbiotic in most species.

Ecology

Symbiotic interactions

Vicia species engage in a prominent mutualistic with nitrogen-fixing of the , particularly Rhizobium leguminosarum biovar viciae, which colonize root nodules to convert atmospheric into usable by the plant. This process occurs within specialized root structures where the reside intracellularly, exchanging fixed for photosynthates from the host plant, thereby enhancing in legume-dominated ecosystems. The symbiosis significantly boosts plant growth and productivity, as demonstrated in where rhizobial inoculation increases biomass and nitrogen content under various conditions. Pollination in Vicia represents another key mutualism, primarily with hymenopteran insects such as bumblebees (Bombus spp.), which are attracted to the nectar and pollen rewards offered by the plant's pea-like flowers. Bumblebees facilitate cross-pollination by transferring pollen between flowers during foraging, improving seed set and yield, particularly in species like Vicia faba where insect visitation enhances reproductive success. This interaction underscores the plant's dependence on pollinators for effective gene flow and population maintenance in natural habitats. Vicia plants also form symbiotic associations with arbuscular mycorrhizal fungi (AMF) from the phylum Glomeromycota, which penetrate root cortical cells to form arbuscules that facilitate uptake from in exchange for . These associations improve acquisition and , as seen in where AMF inoculation enhances growth and efficiency under nutrient-limited conditions. The symbiosis is particularly beneficial in -poor , promoting overall vigor without compromising the nitrogen-fixing capabilities of concurrent rhizobial partnerships. In contrast, Vicia experiences antagonistic interactions with root parasites such as broomrapes (Orobanche spp.), including Orobanche crenata and O. foetida, which attach to host roots to extract water and nutrients, often leading to severe yield reductions. These holoparasites form haustoria that attach to Vicia roots, disrupting vascular connections and causing stunted growth, with O. crenata being a primary threat to Vicia faba in Mediterranean regions. Such parasitism represents a significant ecological pressure, favoring resistant Vicia genotypes that limit attachment through biochemical or structural barriers.

Population dynamics

Vicia species display varied life cycles adapted to diverse environmental conditions. Annual species, such as Vicia sativa, complete their entire lifecycle within a single growing season, germinating, flowering, and setting seed before senescence. In contrast, perennial species like Vicia americana and Vicia cracca overwinter through persistent crowns, rhizomes, or taproots, allowing them to regrow vegetatively in subsequent seasons and persist for multiple years. Biennial forms, though less common, exhibit vegetative growth in the first year followed by reproduction in the second. This flexibility enables Vicia populations to colonize both ephemeral and stable habitats effectively. Growth strategies in Vicia emphasize and trailing habits that enhance competitiveness in grasslands and open areas. Many species, including V. americana and V. cracca, produce pinnately compound leaves ending in branched tendrils, allowing them to ascend supporting for access to and reduce shading competition. These plants often invade early stages of succession in disturbed sites, such as post-fire landscapes or roadsides, where their rapid seedling establishment and deep root systems stabilize and facilitate . In grasslands, this climbing growth form promotes vertical , enabling Vicia to coexist with taller grasses while contributing to overall vegetation structure. Seed dispersal in Vicia relies on a combination of autochory and zoochory mechanisms. Ballistic dispersal is prominent, with mature pods dehiscing explosively along sutures to propel seeds up to several meters from the parent plant, as observed in V. americana where seeds scatter up to 5 meters. Animal-mediated dispersal occurs when pods or seeds are ingested by herbivores like deer or bears, with viable seeds excreted in feces, extending dispersal distances beyond ballistic limits. These strategies ensure wide dissemination, particularly in fragmented landscapes. In community ecology, Vicia functions as a pioneer species in nitrogen-poor soils, where its ability to form symbiotic associations enhances soil fertility and promotes biodiversity. By improving nitrogen availability, Vicia facilitates the establishment of subsequent species in early successional stages, increasing overall plant diversity in grasslands and disturbed habitats. For instance, species like Vicia villosa and Vicia sativa thrive in nutrient-deficient environments, altering soil microbial communities and enzyme activities to support more complex assemblages over time. This role underscores Vicia's influence on ecosystem succession and resilience in low-fertility settings.

Human interactions

Cultivation and agricultural uses

Vicia species are cultivated primarily as forage crops, cover crops, and grain legumes, with key species including Vicia faba (faba bean) and Vicia sativa (common vetch). Cultivation typically involves sowing in autumn or spring, depending on climate and region, to align with cool-season growth preferences. In temperate areas, autumn sowing allows establishment before winter dormancy, while spring sowing suits regions with harsh winters to avoid frost damage. Seeds are broadcast or drilled at depths of 5-7 cm, often in rotation with cereals like wheat or barley to enhance soil structure and break pest cycles. For instance, V. sativa subsp. sativa is commonly used for fodder production, sown in mixtures with cereals to support climbing growth and prevent lodging. In agricultural systems, Vicia plays vital roles as a for and as to improve . By providing ground cover, it reduces loss from wind and , particularly on slopes, while its dense systems stabilize aggregates. As a , Vicia fixes atmospheric through with , contributing up to 200 kg N/ha to the when incorporated as , which enhances subsequent yields and reduces needs. V. sativa is frequently rotated with cereals to replenish and suppress weeds, promoting sustainable farming practices. For forage and food uses, V. faba stands out as a major crop, valued for its high-protein seeds (up to 30% protein content) that serve as a nutritious staple in diets and feed. Domesticated around 10,000 years ago in the , it has been a foundational crop in Near Eastern , providing drought-tolerant protein sources in arid regions. Common vetch (V. sativa) is harvested for hay or , offering palatable for ruminants with protein levels of 20-25%. Modern breeding efforts focus on developing disease-resistant varieties and high-yielding hybrids to boost productivity. Programs have produced cultivars resistant to foliar diseases like chocolate spot (Botrytis fabae) and , using to incorporate resistance genes from relatives. Recent studies report yield improvements, with faba grain yields reaching 2-2.5 tons/ in optimized systems and vetch dry matter yields of 2-4 tons/ for . These advances, including hybrid vigor in crosses, have increased genetic gain by about 0.8% annually in key producing regions like .

Toxicity and risks

Several species within the genus Vicia contain toxic compounds that pose risks to humans and animals. In Vicia faba (faba bean), the primary harmful substances are the pyrimidine beta-glycosides and convicine, which are present in seeds and can lead to upon ingestion. These compounds are hydrolyzed in the gut to aglycones divicine and isouramil, which generate , particularly in individuals deficient in (G6PD). Other Vicia species, such as V. sativa (common vetch) and V. villosa (hairy vetch), contain cyanogenic glycosides like vicianin, which release (HCN) upon enzymatic , contributing to . Consumption of V. faba by G6PD-deficient humans can trigger favism, a severe form of characterized by rapid destruction, , and potentially fatal complications. This condition is most prevalent in Mediterranean populations, where G6PD deficiency affects up to 24% of individuals in certain regions, such as parts of , and around 10-12% in populations. In livestock, ingestion of Vicia forages, particularly from V. villosa and V. sativa, can cause neurologic disorders, respiratory distress, and death due to from cyanogenic glycosides, especially when seeds are consumed. Additionally, high soluble protein and fiber content in Vicia legume forages may contribute to ruminal bloat in ruminants like , leading to frothy accumulation of gases and potential suffocation if not managed. Risks can be mitigated through breeding programs targeting low-toxin varieties and appropriate processing methods. Marker-assisted selection using genetic markers linked to the vc locus has enabled the development of V. faba cultivars with significantly reduced vicine and convicine levels (e.g., below 5 g/kg), rendering them safe for G6PD-deficient consumers without compromising yield. As of 2025, varieties such as CDC 1310, a low vicine/convicine faba bean, have been developed to improve safety for human consumption. Processing techniques, such as soaking seeds in or weak acid solutions for several hours, can leach out up to 90% of these glycosides, while cooking further degrades them. In the 2020s, studies have advanced this through genome-wide association analyses identifying novel markers for low vicine-convicine content, facilitating efficient breeding for safer faba bean crops. For livestock, limiting access to mature or seeds and mixing Vicia forages with grasses reduces both and bloat risks.

References

  1. [1]
    Vicia - Jepson Herbarium
    Vicia, also known as Vetch, is a genus in the legume family (Fabaceae) with about 160 species found worldwide. It is an annual or perennial herb with a ...
  2. [2]
    Vicia L. | Plants of the World Online | Kew Science
    This genus is accepted. The native range of this genus is Temp. & Subtropical to Tropical Mountains. Taxonomy · Images · General information. Distribution ...
  3. [3]
    (PDF) Common vetch: new uses for sustainable agriculture
    Common vetch (Vicia sativa L.) is a legume widely used both as a grain and as forage due to its high protein content, which provides considerable nutritional ...
  4. [4]
    Agronomy, Nutritional Value, and Medicinal Application of Faba ...
    Faba bean (Vicia faba L.) is a cool season grain legume crop with the potential to be grown as multi-purpose crop in areas with short growing season.
  5. [5]
    [PDF] Plant Guide for American Vetch (Vicia americana)
    It is considered preferred forage in spring and summer and desired in fall and winter for elk, deer, and antelope (Ogle and Brazee 2009). Pollinator: American ...
  6. [6]
    Vicia plants-A comprehensive review on chemical composition and ...
    The plants belonging to the genus Vicia are of great interest as a source of many bioactive compounds and micronutrients.<|control11|><|separator|>
  7. [7]
    Vetch - Etymology, Origin & Meaning
    Vetch, a climbing leguminous herb, originates from Latin vicia via Old French vece; its meaning relates to binding, reflecting its twining growth habit.
  8. [8]
    PLINY THE ELDER, Natural History | Loeb Classical Library
    All of these plants serve as fodder, and so does the throw-back of the leguminous class of plant called wild vetch, which pigeons are so fond of that they ...Missing: Vicia | Show results with:Vicia
  9. [9]
  10. [10]
    Vicia | Fabaceae Fruits and Seeds - IDtools
    Subfamily: Faboideae. Phylogenetic Number: 3.19.01. Tribe: Fabeae. Species Studied - Species in Genus: 85 studied; 166 in genus. Description. Fruit: A legume ...
  11. [11]
    Vicia L. | Plants of the World Online | Kew Science
    Widely known as the Vicieae, the correct name for this tribe is Fabeae (see Greuter et al., 2000, Articles 19.4 and 18.5), since it must be based on the name of ...
  12. [12]
    Vicia - an overview | ScienceDirect Topics
    Vicia is a genus of flowering plants in the Fabaceae family, a cool-season annual native to the Mediterranean, restricted to the Northern Hemisphere.
  13. [13]
    Phylogenetic significance of stylar features in genus Vicia ... - PubMed
    Tribe Fabeae consists of five genera, Lathyrus (160 spp.), Lens (4-6 spp.), Pisum (2-3 spp.), Vavilovia (monotypic), and Vicia (160 spp.)
  14. [14]
    The Taxonomic Status of Genera within the Fabeae (Vicieae ... - MDPI
    Jun 26, 2024 · All Vicia, including the proposed Ervum, are a monophyletic lineage, but are distinct from Lens in this analysis [8]. This is consistent with ...
  15. [15]
    Phylogeny of Vicia Subgenus Vicia (Fabaceae) Based on Analysis ...
    We report the results of two methods of DNA analysis to elucidate phylogenetic relationships among 29 Vicia subgen. Vicia species in comparison with two sp.
  16. [16]
    Systematics, biogeography, and character evolution of the legume ...
    Dec 25, 2012 · Section Vicia is also not monophyletic because sections Atossa, Hypechusa, Peregrinae, and Faba are nested within it. Vicia section Ervum is ...
  17. [17]
    Karyotype variation and biochemical analysis of five Vicia species
    Jun 9, 2020 · Fabaceae is considered as the third largest family, which includes more than 727 genera and 20,000 species. The genus Vicia has from 180 to 210 ...<|control11|><|separator|>
  18. [18]
    Vicia liupanshanensis (Fabaceae), a new plant species ... - PhytoKeys
    Jul 4, 2025 · Ball (1968) divided the genus into four sections: Vicia, Faba, Ervum, and Cracca, while Kupicha (1976) subsequently divided it into two ...
  19. [19]
    Phylogenetics of Vicia (Fabaceae) based on morphological data
    Aug 7, 2025 · The phylogenetic relationships among 67 Vicia species from Eurasia were studied in relation to Trifolium montanum on the basis of 91 ...
  20. [20]
    Characterization and phylogenetic analysis of the chloroplast ... - NIH
    Mar 31, 2025 · This study provides a foundation for the identification, classification, and exploration of genetic diversity within the Vicia genus.
  21. [21]
    Phylogenetic analyses within three sections of the genus Vicia
    Abstract. The averaged genomic similarities based on multilocus randomly amplified polymorphic DNA (RAPD) were calculated for eight species representing three ...Missing: monophyletic studies
  22. [22]
    A phenetic investigation of Vicia L. subgenus Vicia (Leguminosae ...
    The proposed classification contains nine sections, nine series, 38 species, 14 subspecies and 22 varieties. The classification is discussed in relation to ...
  23. [23]
    [PDF] TAXONOMIC REVISION OF THE GENUS VICIA L. (FABACEAE) IN ...
    The genus Vicia L. (tribe Fabeae Rchb. = Vicieae Bronn, family Fabaceae) encompasses about 150 (Willis 1973; Kupicha 1976) to 210 (Hanelt & Mettin 1989) ...
  24. [24]
    Vetches (Genus Vicia) - iNaturalist
    Vicia is a genus of about 140 species of flowering plants that are part of the legume family (Fabaceae), and which are commonly known as vetches.
  25. [25]
    Vicia faba L. | Plants of the World Online | Kew Science
    It is an annual and grows primarily in the temperate biome. It is has environmental uses, as animal food, a poison and a medicine and for food.
  26. [26]
    Vicia sativa L. | Plants of the World Online | Kew Science
    It is a scrambling annual and grows primarily in the temperate biome. It is used as animal food, a poison and a medicine, has environmental uses and for food.
  27. [27]
    [PDF] THE INFRAGENERIC STRUCTURE OF VICIA
    The genus, which com- prises about 140 species, has its main centre of diversity in the Mediterranean. (Tethyan) area with smaller centres in N and S America.
  28. [28]
    Molecular taxonomy of Vicia ser. Vicia based on Amplified Fragment ...
    The study concludes that four species exist in the series. Vicia incisa should be considered as a separate taxon and does not belong to the Vicia sativa ...<|control11|><|separator|>
  29. [29]
    Common Vetch
    ... Vicia sativa X Vicia cordata (Duke, 1981). Seed Description. Seeds are ... Root System. Common vetch taproots can extend 3-5 ft deep (Brinton, 1989) ...
  30. [30]
    Vicia in Flora of China @ efloras.org
    Vicia ; 1, Leaf rachis terminating in a leaflet, bristle, or mucro ; +, Leaf rachis terminating in a tendril ; 2 (1), Herbs annual; legume 50-100 × 20-30 mm; ...
  31. [31]
    [PDF] Fava Bean (Vicia faba) Plant Guide
    Fava bean (Vicia faba) is a vetch with erect plants, 2-7 feet tall, square stems, compound leaves, and fragrant flowers. Common names include bell bean and ...
  32. [32]
    Vicia sativa (common vetch) | CABI Compendium
    The root system is pea-type, where branching initiates near the root base and continues gradually towards the tip of the root. The root is fibrous (Tanaka, 1977) ...
  33. [33]
    Faba Bean (Vicia faba L.) Nodulating Rhizobia in Panxi, China, Are ...
    Jun 20, 2018 · In legumes, nitrogen fixation takes place in a specific root or stem organ called nodule. The formation of plant growth promoting symbiosis ...
  34. [34]
    Biosystematics of the Genus Vicia L. (Leguminosae) - jstor
    The most striking species diversity is to be found in the Mediterranean region and the Caucasus. Minor centers are in South Siberia and South America (Figure 1 ...
  35. [35]
    Analysis of floral Biology of Vicia villosa Roth. (Fabaceae)
    Apr 11, 2019 · The sporophytic auto-incompatibility, associated to both low pollinic germination rate (24 %) and flowers losses caused by gathering bumblebees ...Missing: features | Show results with:features
  36. [36]
    Vicia - Florida Plant Atlas
    Vicia, also known as Vetch, is a genus in the family FABACEAE, with 12 accepted taxa.
  37. [37]
    [PDF] Breeding systems of several Vicia species - UKnowledge
    V. villosa was cross-pollinated and re.quired pollinating insects to set fruits and seeds. The other species were not adapted to the field ...Missing: genus inflorescences dormancy
  38. [38]
    (PDF) Seed germination and dormancy of fresh and air-dried seeds ...
    The level of dormancy in fresh seeds reached 100% at the yellow pod. Seed germination was increased up to 62% by air-drying and up to 99% by the two prechilling ...
  39. [39]
    Seed dormancy and germination of Vicia sativa subsp. nigra and Vi...
    Apr 1, 2013 · After scarification, the germination rates of V. sativa subsp. nigra seeds increased from c. 40% to 99 and 95% for seeds harvested in 2008 and ...
  40. [40]
    Seed Dormancy in Hairy Vetch (Vicia villosa Roth) Is Influenced by ...
    Nov 17, 2020 · Previous research showed that the scarification of V. villosa seed lots can eliminate most PY; however, seed viability and seedling vigor were ...
  41. [41]
    [PDF] Does Scarification Time Affect Hydrotime Model Parameters of Vicia ...
    Introduction. Hard seed, also classified as physical dormancy, is very common in forage legumes (Baskin and Baskin 2004). Many methods, based on scarifying ...
  42. [42]
    Vicia - FNA - Flora of North America
    Mar 12, 2025 · Vicia. Linnaeus. Sp. Pl. 2: 734. 1753. Steven L. Broich. Common names: Vetch. Etymology: Latin vicis, curve, or vincio, bind, probably alluding ...Missing: variations | Show results with:variations
  43. [43]
    (PDF) Genetic resources of mediterranean Vicia species
    (2001) , currently the most important diversity centre of the genus Vicia is the Mediterranean, while it is still problematic establishing its origin centre.
  44. [44]
    BIOSYSTEMATICS OF THE GENUS VICIA L. (LEGUMINOSAE)
    The most striking species diversity is to be found in the Mediterranean region and the Caucasus. Minor centers are in South Siberia and South America (Figure 1) ...
  45. [45]
    (PDF) Vetches (Vicia L.) - ResearchGate
    The genus Vicia comprises approximately 190 species (ILDIS, 1999), chiefly located in Europe, Asia and North America, extending to temperate South America ...
  46. [46]
    Vetches (Vicia L.) - SpringerLink
    Maxted, N., 1993a. A phenetic investigation of Vicia L. subgenus Vicia ( Leguminosae, Vicieae). Botanical Journal of the Linear Society, 111: 155–182. Google ...
  47. [47]
    14,000-year-old seeds indicate the Levantine origin of the lost ...
    Nov 23, 2016 · Recent investigations in the site of el-Wad (Mount Carmel, Israel), provide the first and, so far, only remains of the lost ancestor of faba ...
  48. [48]
    Vicia anatolica - iNaturalist
    Vicia anatolica (syn. Vicia hajastana) is a species of flowering plant in the vetch genus Vicia, family Fabaceae. It is native to Crimea, the Caucasus, Turkey, ...
  49. [49]
    [PDF] Hairy Vetch Plant Guide
    The optimum germination temperature ranges from 60 to 70° F (15 to 23°C) (Mosjidis and Zhang, 1995). It produces high biomass and provides vegetative cover when ...
  50. [50]
    Vicia - an overview | ScienceDirect Topics
    The genera Vicia comprise 166 species of annual and perennial herbaceous legumes that are distributed throughout temperate and subtropical regions.
  51. [51]
    [PDF] American vetch (Vicia americana) - Forest Service
    American vetch (Vicia americana) is in the Fabaceae family, also known as peavine, wild pea, and wild vetch, and grows throughout North America.
  52. [52]
    [PDF] ECOLOGICAL CHARACTERIZATION OF THE NATURAL HABITATS ...
    The objective of this work is to characterize the natural habitats of species belonging to the Vicia genus in order to know the adaptation conditions of the ...
  53. [53]
    Tolerance of four grain legume species to waterlogging, hypoxia ...
    Aug 19, 2021 · Legume seeds, when relay sown following rice, may suffer from soil waterlogging and the associated hypoxia or even anoxia.
  54. [54]
    Transcriptomic Analysis of Rhizobium leguminosarum Biovar viciae ...
    Rhizobium leguminosarum bv. viciae forms nitrogen-fixing nodules on several legumes, including pea (Pisum sativum) and vetch (Vicia cracca).
  55. [55]
    Rhizobial symbiosis promotes drought tolerance in Vicia sativa and ...
    Biological nitrogen fixation takes place in the root nodules, specialized structures where the symbiotic interaction between legume and rhizobium occurs.
  56. [56]
    Optimizing Nitrogen Fixation in Vicia sativa: The Role of Host ... - MDPI
    This study analyses a collection of V. sativa genotypes to evaluate their BNF by assaying their nodulation capacity, nodule nitrogenase activity, nitrogen ...Missing: genus | Show results with:genus
  57. [57]
    Landscape complexity benefits bumble bee visitation in faba bean ...
    Jul 1, 2021 · Faba bean (Vicia faba minor L.) is partially dependent on insects for pollination, but the degree of pollinator-dependency and whether crop ...Missing: mutualism | Show results with:mutualism
  58. [58]
    Bumblebee responses to variation in pollinator‐attracting traits of ...
    Nov 10, 2023 · Vicia faba (Figure 1) is an ideal system in which to measure intraspecific floral trait variation and its effect on floral attractiveness. The ...Missing: mutualism | Show results with:mutualism
  59. [59]
    The Influence of Rhizobium and Arbuscular Mycorrhizal Fungi on ...
    Plants with the Rhizobium and AMF symbiotic associations had higher photosynthetic rates per unit leaf area. • Conclusions The results indicated that the ...
  60. [60]
    Kinetin and arbuscular mycorrhizal fungi: vital regulators of Vicia ...
    Aug 29, 2025 · Among other effective techniques, symbiotic connection with arbuscular mycorrhizal (AM) fungi, a common type of soil microbe, can form adaptive ...
  61. [61]
    Arbuscular mycorrhizal fungi and intercropping Vicia villosa mediate ...
    Oct 28, 2024 · This study investigated the effects of inoculation with Diversispora spurca and intercropping with hairy vetch (Vicia villosa) on biomass production, soil ...
  62. [62]
    Characterization of Resistance Mechanisms in Faba Bean (Vicia ...
    The most widely distributed broomrape species affecting faba bean is Orobanche crenata, although O. foetida and Phelipanche aegyptiaca are of local importance.
  63. [63]
    Biological Characteristics, Impacts, and Management of Crenate ...
    Mar 24, 2022 · Orobanchaceae are by far the largest family of parasitic plants with a large number of species but only a few are considered as important in ...
  64. [64]
    Resistance to broomrape (Orobanche crenata) in faba bean (Vicia ...
    Jul 5, 2007 · Broomrapes (Orobanche spp.) are parasitic angiosperms, which attach to the roots of the hosts to take water and nutrients from them.
  65. [65]
    Vetches – Vicia spp. - Plant & Pest Diagnostics
    Life cycle. Climbing or trailing annual, biennial or perennial vines. Leaves. Alternate, pinnately compound with several pairs of opposite, narrowly oblong ...Missing: genus | Show results with:genus
  66. [66]
    Vicia americana, American vetch | US Forest Service Research and ...
    Botanical Description. American vetch is a native rhizomatous, single-stemmed ascending or climbing perennial forb up to 30 inches (75 cm) tall [35]. · Seasonal ...
  67. [67]
    American vetch (Vicia americana) | Western Forbs
    Pollination. Seed production requires insect pollination. Seeds mature about 1 month after flowers are pollinated (Allen and Tilley 2014). Large-bodied bees ...
  68. [68]
    Varying effects of Vicia sativa and Vicia villosa on bacterial ... - Nature
    Jan 27, 2025 · Vicia species can effectively enhance soil fertility when used as cover crops by fixing atmospheric N and returning it to the soil through N ...
  69. [69]
    3. Common vetch (Vicia sativa ssp. sativa L.) - ScienceDirect
    Common vetch is also used for green manure and cover crop in rotation with cereals to provide soil cover, fix N, increase soil OM, as well as break pest, ...
  70. [70]
    Cover crops as a tool to reduce reliance on intensive tillage and ...
    Apr 1, 2020 · Cover crops provide a range of ecosystem services, as they have been shown to protect soil against erosion, reduce the risk of surface and ...
  71. [71]
    Effect of Common Vetch (Vicia sativa L.) Green Manure on the Yield ...
    Dec 21, 2023 · We set up our crop rotation experiment in 2019 in order to evaluate the role of common vetch (Vicia sativa L.) as a green manure crop in a crop rotation system.
  72. [72]
    [PDF] Agronomic Management of Faba Bean (Vicia faba L.): A Review
    Nov 5, 2024 · It has been reported that 50–330 kg nitrogen hm−2 can be fixed by faba beans depending on climatic situations and cultivation management ( ...<|separator|>
  73. [73]
    Legume Crops Phylogeny and Genetic Diversity for Science and ...
    Oct 24, 2014 · The high-protein seeds of faba bean are a staple in the diets of many societies in the Middle East and North Africa. Snacks made from faba ...
  74. [74]
    The giant diploid faba genome unlocks variation in a global protein ...
    Mar 8, 2023 · Faba bean (Vicia faba L., 2n = 12) was domesticated in the near East more than 10,000 years bp and its broad adaptability, value as a ...
  75. [75]
    Faba Bean (Vicia faba L.) | Potential Pulses - CABI Digital Library
    Oct 8, 2024 · It was domesticated in the Fertile Crescent of the Near East and spread to more than 60 countries with diverse agroecology around the world.Missing: 10000 | Show results with:10000<|separator|>
  76. [76]
    Faba bean breeding for disease resistance - ScienceDirect.com
    Feb 5, 2010 · In this paper we will review and critically discuss current and future strategies on breeding faba bean for disease resistance.
  77. [77]
    The Potential Genetic Effect for Yield and Foliar Disease Resistance ...
    The present study evaluated the nature of gene action and determined the genetic diversity among different populations of three crosses for resistance to ...
  78. [78]
    Genetic gain in yield of Australian faba bean since 1980 and ...
    Nov 1, 2024 · Here we focus on faba bean, Vicia faba L., an under-researched grain legume for which on-farm yield in Australia has increased at 0.8 % y−1 ...
  79. [79]
    Eliminating vicine and convicine, the main anti-nutritional factors ...
    Ingestion of v-c by G6PD-deficient individuals can cause favism and lead to death. Low v-c faba bean lines are safe for G6PD-deficient individuals.
  80. [80]
    Degradation of vicine, convicine and their aglycones during ... - Nature
    Aug 31, 2016 · Divicine and isouramil have been identified as the main factors of favism, a life-threatening hemolytic crisis that can result from the ...
  81. [81]
    Vicianin hydrolase is a novel cyanogenic beta-glycosidase specific ...
    Thus, VH is a unique cyanogenic glycosidase showing high glycone specificity for the disaccharide vicianoside. Publication types. Research Support, Non-U.S. Gov ...
  82. [82]
    Epidemiology of Glucose-6-Phosphate Dehydrogenase Deficiency ...
    Oct 20, 2023 · The prevalence of G6PD deficiency ranged from 2 to 31% with a greater burden among high-risk populations like neonates with sickle cell anemia.
  83. [83]
  84. [84]
    Hairy vetch (Vicia villosa) - Feedipedia
    It does well in areas with average temperatures ranging from 8°C to 19°C. It is relatively winter hardy but tolerates frost better if it is protected by a snow ...
  85. [85]
    Toxicity Considerations for Grazing Cover Crops - No-Till Farmer
    Dec 22, 2016 · Bloat is another concern when grazing clovers and legumes. Forage with less than 50% clovers is less problematic. Never give hungry animals ...Missing: Vicia | Show results with:Vicia
  86. [86]
    Fine‐mapping of the major locus for vicine and convicine in faba ...
    Jul 13, 2022 · Zooming into the vicinity of the major VC locus resulted in eight DNA-markers suitable for breeding low VC winter faba beans. A novel, ...
  87. [87]
    GWAS Identifies SNP Markers and Candidate Genes for Off ... - MDPI
    GWAS Identifies SNP Markers and Candidate Genes for Off-Flavours and Protein Content in Faba Bean (Vicia faba L.) by. Antonio Lippolis.Missing: 2020s | Show results with:2020s