四川杭子梢 si chuan hang zi shao

Lespedeza sargentiana (Schindler) H. Léveillé.

Shrubs, 1-2 m tall. Young branches appressed hairy. Peti­ole 0.7-2.4 cm, with dense appressed short hairs; stipels some­times present, linear, 0.5-1 mm; leaflets oblong to elliptic, ter­minal one 1.2-3 × 0.6-1.5 cm, abaxially sericeous, adaxially glabrous or sparsely pubescent, base obtuse or rounded, apex retuse and mucronulate. Racemes 2-11 cm, sometimes panicu­late; rachis densely appressed or ascending shortly hairy. Pedi­cels 4-6 mm, densely appressed or ascending shortly hairy. Ca­lyx densely shortly appressed hairy; tube 1.8-2 mm; lobes nar­rowly triangular, 2-2.2 mm. Corolla purple; standard obovate, 10-11 mm, apex obtuse; wings 9.5-10.5 mm, clawed at base; keel shallowly inflexed, 12-16 mm, clawed at base. Ovary nar­rowly ovoid, ca. 2.5 mm, shortly hairy; style ca. 7.5 mm. Leg­ume obliquely elliptic, ca. 7 mm, shortly ascending hairy, acute at apex. Seeds reniform, ca. 2.7 × 2 mm.

● Sichuan.