密脉杭子梢 mi mai hang zi shao

Shrubs, to 4 m tall. Branches shortly appressed hairy. Peti­ole 0.5-3 cm, densely appressed hairy; stipels linear; leaflets obdeltoid to obcordate, terminal one 1.5-4 × 0.8-3 cm, abax­ially appressed hairy, adaxially glabrous, lateral veins dense, straight, parallel, base cuneate, apex retuse and mucronulate. Racemes densely flowered, 2-7 cm, often paniculate. Pedicels 4-8 mm, with appressed short hairs. Calyx with appressed short hairs; tube ca. 1.5 mm; lobes triangular to narrowly triangular, ca. 1 mm. Corolla pale pink or pale red-purple; standard obo­vate to elliptic, 8-9 mm, narrowed to a claw, obtuse at apex; wings ca. 9 mm, clawed at base; keel incurved, ca. 8.5 mm, clawed at base. Ovary puberulent. Legume obliquely oblong, 13-16 × 5-8 mm, with subappressed short hairs, apex rounded. Seeds reniform, ca. 3 × 6 mm.

● Forests, thickets, grasslands; 300-2900 m. Guangxi.

Campylotropis bonii var. bonii occurs in N Thailand and N Viet­nam.