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Leaf blades 4.5–14 × 2.5–6(8) cm, oblong-elliptic or narrowly to broadly elliptic rarely round, acuminate at apex, obtuse to rounded or rarely subcordate at base, glabrous or rarely glabrescent on upper surface, glabrous save for the sparsely to densely pubescent nerves, or occasionally sparsely pubescent beneath; lateral nerves in 5–9 main pairs; tertiary venation finely reticulate, always with element perpendicular to midrib the more conspicuous giving a scalariform appearance and frequently either raised or impressed above; domatia present as inconspicuous tufts of hair; petioles 5–15 mm long, pubescent; stipules 5–14(17) mm long, up to 5 mm wide at base, triangular at base, usually rather abruptly narrowing to a linear or acuminate apex, pubescent outside; leaves subtending lateral branches smaller, ± orbicular.
A shrub or climber. It grows 2-7 m tall. The young branches can have rusty coloured hairs. The leaf blades are 5-14 cm long by 3-6 cm wide. They are narrowly oval and taper to the tip. There are 5-9 main pairs of side veins. There are 20-70 flowers in a group. These are made up of 4-5 flower parts. The fruit are 8-11 mm long by 11-15 mm wide. They are black when ripe.
Flowers 4–5(6)-merous, borne in 20–70-flowered pedunculate cymes; peduncles 5–17 mm long, pubescent or rarely glabrous; pedicels 2–5 mm long, pubescent or rarely glabrous; bracteoles 2.5–6 mm long, linear-lanceolate.
Corolla creamy-white; tube 2.25–3 mm long, with a ring of deflexed hairs just below the throat inside; lobes 1.5–2.25 × 1–1.75 mm, lanceolate to ovate, acute.
Calyx tube 0.75–1 mm long, glabrous or pubescent; limb 0.75–1.25 mm long, divided into teeth usually for less than half its length, ciliate.
Pyrene 6–7 × 5–6 mm, hemispherical to suborbicular, with lid-like area lying across the apex with a small crest.
Scandent shrub or climber 2–7 m tall; young branches sparsely to densely covered with rusty-coloured hairs.
Fruit 8–11 × 11–15 mm, slightly indented at apex, glabrous, black when mature.
Pollen presenter 0.75–1.25 mm long; disk pubescent.
Anthers fully exserted but seldom reflexing.
Seed with endosperm streaked with granules.
Style 4–6.5 mm long, glabrous.
