Vicia tetrasperma




Scientific name Vicia tetrasperma (L.) Schreber
Subfamily Faboideae
Tribe Fabeae
Synonyms Ervilia tetrasperma (L.) Opiz; Ervum tetraspermum L.; Vicia gemella Crantz; Vicia tetrasperma (L.) Schreber var. gracilis (Loiseleur-Deslongchamps) Ascherson & Graebner; Vicia tetrasperma (L.) Schreber var. tenuissima Druce
Common name (Japanese common name) kasu-ma-gusa (カスマグサ, カス間草 [meaning: weed between Ka and Su (Ka = karasu-no-endou = Vicia sepium L., Su = suzume-no-endou = Vicia hirsuta (L.) S. F. Gray)])
(English common name) sparrow vetch, slender vetch
Distribution (Japan) Honshu, Shikoku, Kyushu, Okinawa
(Other nations) Eurasia, Northern Africa
Habitat Field, roadside
Chromosomal number 2n=14
Description Plants 30-60cm tall. Leaves 8-15 leaflets, each 12-17mm long, 2-4mm wide. Flowers purple 5-7mm long, flowering in April to May. Fruits 10-13mm long, non hair. Winter annual plants.
Reference Vicia tetrasperma (L.) Schreb.
Vicia tetrasperma (L.) Schreb.
Method of isolating soyasaponins (US Patent 4594412/1986)



April 2007
at open field
April 2007
at open field
April 2007
at open field



April 2007
at open field