Description from Flora of China
Bauhinia championii (Bentham) Bentham var. apertilobata (Merrill & F. P. Metcalf) Hiroe.
Lianas, woody, with tendrils. Young branches, petioles, and inflorescences pubescent. Stipules caducous; leaf blade ovate, broadly elliptic, or suborbicular, 5-10 × 4-9 cm, papery, abaxially brownish puberulent, losing most of pubescence upon maturing, adaxially subglabrous or thinly puberulent, primary veins 7-9, base rounded, truncate, or cordate, shallowly bifid with very broadly divergent lobes; leaves on flowering branches only slightly bifid or nearly truncate. Inflorescence 1 or 2 racemes, terminal or axillary, 4-8 × 4-7 cm; bracts linear, 4-7 mm; bracteoles small, inserted at middle of pedicels. Pedicel 1.8-2.2 cm. Flower buds ellipsoid, with a protruding apex, apex closed. Receptacle broadly funnelform; calyx lobes 5, lanceolate, reflexed upon anthesis. Petals whitish or greenish white, subequal, spatulate, 7-10 mm, shortly clawed. Fertile stamens 3; filaments 6-9 mm, glabrous. Ovary hairy on sutures, shortly stalked; style short; stigma small. Legume thin, compressed, 2-7 × 1.5-2 cm; valves thin, glabrous. Seeds compressed, suborbicular. Fl. May-Jul, fr. Aug-Nov.
● Valleys, hillsides, open forests, thickets; 300-600 m. Fujian, Guangdong, Guangxi, Guizhou, Jiangxi.