Vicia unijuga

Vicia unijuga, commonly called two-leaf vetch,[2] is a species of flowering plant in the legume family.

Vicia unijuga
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fabales
Family: Fabaceae
Subfamily: Faboideae
Tribe: Fabeae
Genus: Vicia
Species:
V. unijuga
Binomial name
Vicia unijuga
Synonyms[1]

Ervum unijugum (A.Braun) Alef.
Lathyrus messerschmidii Franch. & Sav.
Orobus lathyroides L.
Vicia austrohigoensis Honda
Vicia linearifolia Y.N.Lee
Vicia unijuga var. austrohigoensis (Honda) Sugim. ex Yonek.
Vicia unijuga subsp. minor (Nakai) Y.N.Lee
Vicia unijuga f. trifoliolata (Z.D.Xia) Y.Endo & H.Ohashi
Vicia unijuga var. trifoliolata Z.D.Xia
Vicia unijuga var. ulsaniana M.Kim & H.Jo
Vicia unijuga var. waldeniana S.Y.Hu

It is native to eastern Asia, where it is widespread, its range extending through China, Korea, Mongolia, Japan and Russia.[3] It is very common in both China and Japan, and may be the most common species of Vicia in China.[3][4] It is found in a variety of forested and open habitats.[3]

It is a perennial that produces purple flowers in the summer and fall.[3][4] This species contains a considerable amount of morphological variation, with some forms and varieties being named.

Vicia unijuga historically included the similar-looking Vicia ohwiana, which has now been given the rank of species.

References
  1. "Vicia unijuga A.Braun". Plants of the World Online. The Trustees of the Royal Botanic Gardens, Kew. n.d. Retrieved September 23, 2020.
  2. USDA, NRCS (n.d.). "Vicia unijuga". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 6 January 2018.
  3. Flora of China, Vicia unijuga
  4. Ohwi, Jisaburo (1965). Flora of Japan. Smithsonian Institution. p. 565.


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