Tree, 10-12 m high, or scrambling shrub. Branches soon lignescent, first dark reddish brown, later pale yellowish to greyish brown, glabrous. Leaves: petiole 1.5-4 cm long; blades of two kinds: those more distant from apex of branches often broader, 9-12 cm long, w/1 ratio about 2/3 to 3/4, with 5 nerves on each side, the rest 5-11 cm long, up to half as wide as long, with c. 8 nerves on each side, all with entire margin, base rounded to transversely truncate or subcordate, apex acute to acuminate, nerves forming a dense network on lower side, glabrous on the upper, with few hairs along the primary nerves on the lower side. Inflorescence dichotomously branched, cymes with 2 to 5 flowers, terminal, rarely lateral on short branches; pedicels 1-2 mm long. Calyx 3 mm long and wide immediately after flowering, 8-10 mm long, 10-15 mm wide in fruit. Corolla (according to Gagnepain) elongate, 15 mm long, tube 8 mm, straight, often broadening towards base round the ovary, lobes 4, ovate-lanceolate, 3 mm long, recurved. Stamens 4; filaments exserted. Fruit ovoid, up to 3 cm long, 22 mm in diam., tapering towards apex.
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Trees or climbing shrubs, 2-4 m tall. Petiole 1-2 cm; leaf blade oblong to ovate, 3-8 × 2-3.5 cm, adaxially sometimes densely spotted, base cuneate to rounded, rarely cordate, margin entire, apex obtuse to retuse; vein axils with tufts of short hairs. Inflorescences terminating lateral branches, in glomerules. Flowers bisexual, externally glabrous. Calyx cupular, 7-8 mm; lobes 4 or 5, irregular, angular. Corolla white or pale yellow, glabrous, 1.4-1.6 cm; tube ca. as long as lobes. Filaments 3.5-4.5 mm, glabrous or sparsely short pubescent, anthers ca. 1.5 mm. Style ca. 3 mm, first branches ca. 1 mm, second branches 3.5-5 mm. Drupes subglobose, 8-10 mm in diam., surrounded by persistent calyx. Fr. Aug-Dec.
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