长叶胡枝子 chang ye hu zhi zi

Subshrubs or perennial herbs, ca. 50 cm tall. Stems erect, much angulate, adpressed shortly hairy. Leaves 3-foliolate; peti­ole 3-5 mm, adpressed shortly hairy; leaflets oblong-linear, ter­minal one 2-4 × 0.2-0.4 cm, abaxially adpressed hairy, adax­ially subglabrous, base narrowly cuneate, margin slightly invo­lute, apex obtuse or emarginate, mucronate. Racemes axillary; peduncle 0.5-1 cm, densely adpressed white hairy, 3-5-flow­ered. Pedicel ca. 2 mm. Calyx narrowly campanulate, 5-parted. Corolla white or yellow, distinctly overtopping calyx; standard broadly elliptic, ca. 8 × 5 mm; wings oblong, ca. 7 × 1 mm; keel ca. 8.5 mm, base long clawed, apex obtuse. Legume ob­long-ovoid, 4.5-5 × ca. 2 mm, sparsely adpressed white hairy, apex rostrate. Legume of cleistogamous flower obovoid-orbicu­lar, ca. 3 × 2.5 mm, apex shortly rostrate. Fl. Jun-Sep, fr. Oct.

● Mountain slopes; below 1400 m. Gansu, Hebei, Henan, Liao­ning, ?Nei Mongol, Shaanxi, Shandong.