槽茎杭子梢 cao jing hang zi shao

Campylotropis purpurascens Ricker; C. rockii Schindler.

Shrubs, 1-3 m tall. Young branches multi-angular, often sulcate, with dense appressed tawny hairs. Petiole 0.5-2.5 cm, densely ascending pubescent; stipels absent or rarely present; leaflets elliptic to oblong, terminal one 2.5-9 × 1-3 cm, abaxi­ally densely tawny sericeous, adaxially densely puberulent, base obtuse or rounded, apex retuse and mucronulate. Racemes 4-9 cm, sometimes paniculate; rachis densely ascending pubescent mixed with glandular hairs; bracts narrowly ovate, 3-5 mm; bracteoles ca. 2 mm. Pedicels 2-4 mm, densely ascending pu­bescent mixed with glandular hairs. Calyx densely ascending pubescent; tube 1.5-2 mm; lobes narrowly triangular, 1.5-1.6 mm. Corolla purple to rose; standard obovate, 9-10 mm, apex obtuse; wings 8.5-9 mm, clawed at base; keel incurved, 11-12 mm, clawed at base. Ovary narrowly ovoid, ca. 1.8 mm, shortly hairy; style 7.5-8 mm. Legume obliquely elliptic, 4.5-7 × 3.5-4 mm, shortly ascending hairy. Fl. and fr. Aug-Oct.

Mountain slopes, thickets, forests; 1200-2100 m. Yunnan [Thai­land].