Woody climber. Young stems, petioles and inflorescences verruculose. Leaves with petioles 3-5 cm inserted 2-3 mm from the basal margin; lamina triangular-ovate, 6-12 by 4.5-9 cm, base truncate, apex acute or obtuse, margin broadly and slightly crenate, reticulation dense, raised and very conspicu-ous on both surfaces, glabrous, thinly coriaceous. Male inflorescences axillary, c. 22-35 cm long, com-posed of umbelliform cymes 10-12 cm long with peduncles 5-7 cm, arising retrorsely from the main axis. Male flowers on slender pedicels, c. 2 mm; sepals 6 or 8, elliptic or broadly elliptic, 3-4 mm, gla-brous; petals 3 or 4, cuneate-oblong, 3 mm with the lateral margins inflexed, apex truncate, glabrous; synandrium 3 mm long. Female flowers unknown. Drupe yellow on pedicel up to 2 mm long, obovate in outline, 6 mm long. Endocarp imperfor-ate with 4 dorsal rows of c. 13 processes, papilliform in the median rows, but consisting of transverse rid-ges, hooked on the outer margins in the lateral rows.
Primary and seondary forest by streams and in regrowth in logged areas, on peaty humic soil and humic soil over orange-brown clay at 2300-2700 m. Fl. June, July; fr. Feb., June, Sept., Oct.
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