汤姆逊杭子梢 tang mu xun hang zi shao

Lespedeza thomsonii Bentham ex Baker in J. D. Hooker, Fl. Brit. India 2: 144. 1876 ["thomsoni"]; Campylotropis king­donii H. Ohashi; C. rogersii Schindler.

Shrubs. Young branches ± densely shortly appressed silky hairy. Petiole 1-3.5 cm, with dense appressed or ascending silky hairs; stipels absent; leaflets oblong to elliptic, terminal one 3-7 × 1.2-2.5 cm, abaxially densely appressed silky hairy, adaxially glabrous or ± densely pubescent, base rounded or ob­tuse, apex retuse and mucronulate. Racemes 5-10 cm, some­times paniculate; rachis and pedicels with dense ascending silky hairs. Pedicels 3-10 mm. Calyx with dense appressed or as­cending silky hairs; tube 1.5-2 mm; lobes narrowly triangular, 1.5-2.2 mm. Corolla purple; standard elliptic, 6.5-8.5 mm, apex obtuse; wings 6-8 mm, clawed at base; keel incurved, 9.5-11 mm, clawed at base. Ovary narrowly ovoid, ca. 2 mm, shortly hairy; style incurved, ca. 6.5 mm. Legume obliquely obovoid, 7-8 × 3.5-4 mm, shortly appressed hairy, apex rounded. Seeds blackish purple, oblong, ca. 2.5 × 1.5 mm.

Yunnan [India, Myanmar, Vietnam].