Vicia sativa

Climbing or decumbent annual herb, pubescent or glabrescent; stems to 1 m long. Leaves 2–10 cm long excluding the simple or pinnate tendril; leaflets 4–18, variable, oblong to obovate, 5–40 mm long, 1–15 mm wide; stipules semi-sagittate, 3–8 mm long, dentate, with an ovate, yellowish central gland. Flowers 1–4, subsessile; calyx cylindric, 7–20 mm long, appressed-pilose or glabrescent, teeth subulate, subequal, shorter or longer than calyx tube; corolla 9–30 mm long, crimson, violet or pink; standard obovate to suborbicular, slightly longer than wings or keel, limb often shorter than claw; wings and keel not usually dark-tipped. Pod oblong, 2.5–8 cm long, 3–12 mm wide, compressed, yellow-brown to black, glabrous or pubescent; seeds 6–12, subglobose, 2–7 mm long, compressed, light or dark brown, often mottled. (1–2-seeded subterranean fruits sometimes present.)