蛇荚组 she jia zu

Ophiocarpus (Bunge) Ikonnikov.

Plants annual, branched at base, glabrous or with basifixed hairs. Stipules minute, free. Inflorescence sessile or very shortly pedunculate, a loose 1-5-flowered raceme. Flowers pendulous. Calyx campanulate. Petals glabrous, deciduous; standard slightly longer than wings and keel, without distinct claw. Legumes sessile, very narrowly linear, terete, curved or flexuous, somewhat constricted between seeds, 1-locular.

One species: Afghanistan, China, India, Pakistan, Tajikistan, Turkmenistan, and SW Asia (Iran, Iraq).