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A small climber with younger steins and inflorescences greyish-sericeous or -pubescent, soon glabrescent. Leaves petiolate; lamina (3) 4·5–10 cm. long and (1·8 2·5 × 6 cm. broad, ovate, apex acute, base rounded to cordate, thickly herbaceous, usually glabrous on both surfaces, rarely sparsely hairy, dark green on the upper, bright green on the lower surface; petiole (1·2) 2–2·5 cm. long, subcanaliculate, slender, usually glabrous; stipules absent. Inflorescence loosely paniculate, axillary, many-flowered, open; peduncle 1·5–5 cm. long; bracts 1·5 mm. long, triangular-subulate, acute, pubescent or glabrous; bracteoles c. 1 mm. long, subulate. Flowers zygomorphic, c. 1·8 cm. in diam. Sepals c. 2·8 mm. long, ovate, ovate-oblong or broadly elliptic, usually glabrous, rarely somewhat hairy. Petals unguiculate, white with pink tinge, spreading or recurved; the lower one c. 8·8 mm. long, boat-shaped, fimbriate all along the margin, the others c. 8 mm. long, ovate or broadly elliptic, fimbriate at the lower half, rarely at the whole margin. Anthers ± 2 mm. long, oblong; filaments 5–5·6 mm. long, glabrous. Ovary ± densely sericeous; styles 3, c. 4·8 mm. long, glabrous, slightly curved outwards. Mature samara not known; dorsal wing crest-like or absent.