Climbers to 6 m tall, most parts glabrous except for inflorescences. Petiole 4-12 mm, blackish and minutely transversely wrinkled when dried, pubescent when young, glabrescent; leaf blade oblong, oblong-elliptic, or sometimes obovate-oblong, 3-20 × 1.2-6 cm, thinly leathery, abaxially grayish green and glaucous when dry, secondary veins 10-15 on each side of midvein and adaxially very slightly prominent or flat, tertiary veins inconspicuously raised, base rounded, apex rounded to slightly retuse. Inflorescences terminal, thyrsoid, to 6 cm, sometimes continuing vegetatively and cymes apparently axillary, cymules 2- or 3-flowered, brownish tomentose; peduncle very short. Pedicel to 1.2 cm. Sepals broadly triangular, ca. 2 mm. Outer petals broadly ovate, ca. 6 mm, fulvous pubescent; inner petals ovate-oblong, ca. 5 mm, grayish white pubescent. Stamens oblong; connectives 3-angular. Carpels ca. 15, ellipsoid, fulvous pubescent; ovule 1 per carpel; styles elongate, glabrous; stigmas apically 2-cleft. Monocarp stipes ca. 3 mm; monocarps ca. 8 mm in diam., glabrous. Seed 1 per monocarp. Fl. Jan-Sep, fr. Mar-Dec.