Shrub, scandent, up to at least 6 m high, glabrous; stems olive-green and 4-lined when young, becoming vinous-red and eventually red-brown, terete, with ± prominent round whitish lenticels. Leaf-lamina dark green or yellow-green, slightly paler beneath or concolorous, 2.7-6.9(7.4) x (1.5)2.2-3.7 cm, elliptic to oblong or subcircular, obtuse to rounded at the apex, with margin shallowly obtusely glandular-dentate, cuneate at the base, subcoriaceous, with 5-7 lateral nerves and reticulate venation prominent on both sides; petiole 6-8 mm long; stipules c. 1.5-2 mm long, acicular, caducous, not united. Flowers (2)3-15(19) in ± lax simple axillary dichasia; buda 2-3 mm long, globose; pedicels (2)3-5(6) mm long; bracts c. 1 mm long, triangular, subacute to apiculate, with margin entire, persistent. Sepals dark green with paler ciliolate-denticulate margin, c. 0.7 mm long, subequal, broadly ovate to semicircular, rounded. Petals dark green with paler minutely ciliolate margin, 2-3 mm long, unguiculate, with claw short and lamina ovate-cordate to subcircular, rounded, cucullate, imbricate in bud. Disk single, shallowly truncate-conic, with margin flattened and subentire or slightly 5-lobed. Stamens 3, with filaments short, broad; anthers extrorse, subcircular, 1-thecous. Ovary with style elongated; stigmas united; ovules c. 8 per loculus. Mericarps green, 4.5-5 x 2.3-2.8 cm, flattened, obovate to oblong-obovate, rounded to truncate at the apex, c. 8-seeded, smooth. Seeds winged, with veins marginal and submedian.