直果胡卢巴 zhi guo hu lu ba

Trigonella orthoceras Karelin & Kirilov, Bull. Soc. Imp. Naturalistes Moscou 14: 399. 1841.

Annual herbs, 15-25(-40) cm. Stems prostrate or as­cending, subquadrangular, sparsely pilose. Leaves 3-foliolate; stipules subhastate, 5-6 mm; leaflets obovate to obovate-triangular, 6-15 × 3-8 mm, pilose at least on midrib abaxially, glabrous adaxially, lateral veins 6-9 pairs, base cuneate, margin denticulate in upper 2/3, apex truncate. Flowers 2-5 in sub­umbellate heads; peduncles undeveloped, but sometimes to 3-5 mm. Corolla yellow, 4-5 mm; standard longer than wings and keel. Ovary linear; ovules numerous; style short and flat. Leg­ume cylindric, 20-30 × 1-1.5 mm, appressed pubescent, veins reticulate. Seeds numerous, brown, oblong to ovoid, ca. 2 × 1 mm, warty. Fl. Apr-Jun, fr. May-Jul.

Sandy slopes, grasslands; 1200-1900 m. W Xinjiang [Pakistan, Russia (W Siberia); C and SW Asia].