Monoecious climbing or creeping shrub, sometimes erect shrub or up to 4 m high treelet. Branchlets ferrugineous shaggy pilose. Leaves subsessile, lanceolate to elliptic, 12-18-22 by 4-6-11 cm, herbaceous, pubescence variable, usually shaggy pilose on the midrib above, on midrib and nerves beneath; glands on the lower side of the leaf, especially near the base, not rarely absent; base cordate; apex gradually acuminate, acumen cuneate, acute (rarely blunt); nervation prominent beneath, nerves 10-16 pairs, straight to rather strongly curved, distinctly interarching at some distance from the margin. Glomerules axillary, many-flowered, ¾-1 cm long, shaggy pilose. Flowers 3.5-4 mm, bisexual. Petals spathulate, 3½ mm long, 1 mm incised, glabrous. Disk-lobes c. 0.25 mm high, quadrangular to faintly 2-lobed, glabrous. Ovary woolly pubescent, 3-celled; style 1, ± tripartite at the tip. Fruits solitary, 1 cm long stalked, obovoid, 2(-3)-lobed, 3.5-4 by 2-2.5 cm, shaggy ferrugineous-pilose; stones rugose; 1-2(-3) seeded.
In mixed primary & secondary, and in bamboo forests, up to c. 200 m. Fl. Mainly May-July; fr. Mainly Sept.-Febr.