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Bauhinia didyma

Description from Flora of China

Lianas, woody, with tendrils; whole plant glabrous except for pedicel base and leaf buds. Twigs slightly zigzag, slender; tendrils solitary, slender. Leaves 2-foliolate; stipules caducous; petiole 1-2 cm, slender, glabrous; leaf blade 12-24 × 9-16 mm, membranous, abaxially thinly pubescent on axils of primary veins, adaxially glabrous, veins 3 per lobe, veins dense, salient on both surfaces, base truncate; lobes obliquely obovate, apex obtuse or rounded. Inflorescence corymbose-racemose, termi­nal on lateral branches, many flowered; peduncle more than 1 cm; bracts and bracteoles linear, 1.5-4 mm. Pedicel 1-3 cm, slender. Flower buds ellipsoid, ca. 5 mm. Receptacle cylindric, 10-12 mm; calyx lobes 5, reflexed, broadly ovate or lanceolate. Petals white, broadly obovate, ca. 9 × 6 mm, abaxially hairy near base, shortly clawed. Fertile stamens 3; filaments ca. 1 cm, glabrous. Staminodes 3-5. Ovary shortly stalked, glabrous; style short; stigma disciform. Legume strap-shaped, com­pressed, ca. 10 × 2.5 cm, tardily dehiscent, glabrous, sutures slightly thickened. Seeds ellipsoid, compressed, ca. 6 × 4 mm; testa brown. Fl. Aug-Dec, fr. Sep-Feb.

● Open forests, thickets; 100-500 m. Guangdong, Guangxi.


 

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