Lianas yellow-brown tomentose except for flowers. Petiole to 4 cm; leaf blade oblong-ovate, to 12.5 × 7.5 cm, more sparsely hairy than petiole, base cordate, apex acute; lateral veins ca. 5 pairs. Inflorescences with several umbel-like cymules along unbranched rachis; peduncle to 3 cm; ra-chis to at least 2 cm. Pedicel ca. 5 mm. Sepals elliptic, ca. 3 × 2 cm. Corolla white, ca. 6 mm; lobes rotate, ca. 3.5 × 2.5 mm, glabrous outside, glabrous at base inside; throat pilose with retrorse hairs; lobes densely appressed tomentose in center. Corona lobes to base of anthers, almost flat. Stigma head 2-cleft, conical, equalling anther appendages.
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