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Medicago falcata

Description from Flora of China

Perennial herbs, (20-)40-100(-120) cm. Stems erect or as­cending, terete, branchy. Stipules lanceolate to linear-lanceolate, base hastate, apex acuminate; leaflets obovate to linear, (5-)8-15(-20) × (1-)2-5(-10) mm, pubescent abaxially, glabrous or appressed puberulent adaxially, margin serrulate in apical 1/4 or margin 2- or 3-serrate, lateral veins 5-15 pairs, base cune­ate, apex rounded, obtuse, or acute, mucronate. Racemes 10-20(-40) mm, with 6-20(-25) flowers, crowded; peduncles axil­lary, straight, equal to or slightly longer than leaves; bracts ca. 1 mm; pedicels 2-3 mm. Corolla yellow, 6-9(-11) mm; standard long obovate. Ovary linear; ovules 2-5. Legume falcate or straight, (8-)10-15 × 2.5-3.5(-4) mm, appressed puberulent, veins oblique and thin. Seeds 2-4, brown, ovate-elliptic, ca. 2 × 1.5 mm. Fl. Jun-Aug, fr. Jul-Sep.

Grassy places, slopes, ravines, dry sandy fields. Gansu, Hebei, Jilin, Nei Mongol, Ningxia, Qinghai, Shaanxi, Shanxi, Xinjiang, Xizang [Asia, Europe].


 

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