Lianas, with tendrils. Branches angulate, puberulent when young, glabrous when older. Stipules caducous; petiole 4.5-5 cm, puberulent; leaf blade broadly ovate, 8-10 × 9-11 cm, leathery, base cordate, both surfaces glabrous, primary veins 7-9, veins convex on both surfaces, apex entire or emarginate. Inflorescence a panicle with lax racemes, puberulent; bracts subulate, ca. 2.5 mm; bracteoles similar but smaller, inserted at middle of pedicel. Pedicel ca. 1.8 cm. Flower buds subovoid, ca. 2.5 mm in diam. Hypanthium short. Calyx not closed at tip; calyx segments 5, elliptic, apex acute. Petals subequal, subobovate, ca. 2.5 × 2 mm, not clawed, both surfaces pubescent. Fertile stamens 2. Staminodes small. Legume unknown. Fl. Jun.
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