黔南羊蹄甲 qian nan yang ti jia

Lianas, woody, with tendrils. Tendrils opposite leaves, pu­bescent. Stipules caducous; petiole 1-2 cm, pubescent; leaf blade broadly ovate to suborbicular, 5-8 × 4-6.5 cm, papery, abaxially rusty pubescent, adaxially glabrous, veins 9, base shallowly cordate or nearly truncate, entire or apex emarginate. Inflorescence 1 or 2 corymbose racemes, terminal, 3.5-6 × 3.5-6 cm, 8-20-flowered, rusty pubescent; peduncle short, 5-12 mm; bracts threadlike, 5-7 mm; bracteoles linear, 4-6 mm, inserted at middle of pedicel. Pedicel 15-22 mm, rusty pubes­cent. Flower buds ovoid, rusty hirsute. Receptacle cylindric, 8-9 mm, base slightly swollen on one side, pubescent; calyx lobes 5, reflexed, lanceolate, 5-6 × ca. 2 mm, outside rusty pubes­cent. Petals white, 3 rhombic, 2 elliptic, 6-8 × 4-7 mm in­cluding claw 3-4 mm, abaxially pubescent at middle, base cu­neate, margin smooth. Fertile stamens 3; filaments 9-11 mm, glabrous. Staminodes 7, 2 free ones longer, others joined at base. Ovary stalked, glabrous; style short; stigma capitate. Leg­ume strap-shaped, much compressed, to 28 × 4-4.5 cm, in­dehiscent, glabrous, reticulate veined, sutures slightly salient. Seeds ellipsoid, compressed, ca. 8 × 6 mm; testa brown. Fl. May, fr. Aug.

● Thickets on mountain slopes; 1000-1300 m. Guizhou.