Vicia

…A wild annual or biennial plant of the Fabaceae family, in the same genus as the broad bean (illustration). Also known as the arrow-haze pea. A common weed in sunny places such as roadsides and fields. The vine-like stems reach 150 cm in length, and tendrils at the ends of the leaves wrap around other objects. The leaves are pinnately compound with 8 to 16 even numbered leaflets, and the stipules at the base have large black-brown glandular dots in the center. The leaflets are narrowly obovate, concave at the tip, and 2 to 3 cm long. The flowers are reddish purple and bloom from March to June. They are 12 to 18 mm long and bear 1 to 3 flowers in each axil. …

*Some of the terminology that mentions "Vicia" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…ソラマメと同属の野生のマメ科の一年草または越年草（イラスト）。ヤハズエンドウ(矢筈豌豆)とも呼ばれる。道ばたや野原などの日当りのよい場所にふつうな雑草。茎はつる状で，長さ150cmに達し，葉の先の巻きひげによって他物に巻きつく。葉は8～16枚の偶数枚の小葉をもつ羽状複葉で，基部の托葉の中央には黒褐色の大型の腺点がある。小葉は狭倒卵形で先端はくぼんでおり，長さ2～3cm。花は紅紫色で3～6月に咲き，葉腋（ようえき）に1～3花ずつつき，長さ12～18mm。…

※「Vicia」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報