Climber or shrub. Twigs glabrous; branches yellowish-brown to yellowish-grey. Young twigs sometimes sparsely minutely hairy; leaves up to 11 cm long. Leaves ovate to elliptic or oblong, 6-10 by 3-6 cm, chartaceous, glabrous, base broadly cuneate to rounded, mostly attenuate, apex blunt, acute, or tapering acute-acuminate; 3-5-plinerved, the nerves nearer to the margin than to the midrib; petiole 4-10 mm. Inflorescences axillary and pseudoterminal or terminal, 2.5-7 cm long, laxly to densely branched, fairly many-flowered, sparsely pubescent. Calyx 1-1½ mm, sepals ovate, blunt, outside slightly tomentose, inside glabrous. Corolla rotate, 3-4.5 mm long, thin to fairly thick-fleshy, especially the lobes, outside sparsely appressed-pubescent, mainly towards the tip of the lobes, rarely glabrous, inside in the mouth and on the bases of the lobes (sometimes very sparsely) woolly, tube 1-1.75 mm long, lobes oblong-ovate to linear. Corolla inside sometimes woolly only at the tips of the lobes. Stamens inserted in the mouth, filament short (0.75-1.75 mm), glabrous or pubescent, anthers broadly ovate to elliptic, 0.75-1 mm long, bearded. Ovary globular to ovoid, 1-1.25 mm high, glabrous or shaggy hairy in the upper part, style 1-2.5 mm, in the basal half likewise hairy; stigma truncate to semi-globular, somewhat broadened. Fruits few, ellipsoid to globular, 1-2.5 cm, smooth, thin-walled, with 1-2 seeds. Seeds orbicular, flat, 1 cm ø, felty.
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Lianas to 10 m. Stems to 4 cm in diam.; branchlets spiny, glabrous. Petiole ca. 1.5 cm; leaf blade ovate, elliptic, or oblong, 8--13 X 3--8 cm, papery, glabrous, base obtuse to rounded, apex acute to acuminate, basal veins 3--5, lateral veins more delicate than midvein, reticulate veins slightly conspicuous on both surfaces. Thyrses axillary and terminal, 1.5--2.5 cm, many-flowered, sparsely pubescent. Flowers 5-merous. Pedicel 2--3 mm, pubescent. Calyx lobes broadly ovate, ca. 1 mm, outside slightly puberulent, apex obtuse. Corolla rotate, 3--4.5 mm, thin to fairly thick, fleshy especially lobes, outside pubescent, inside pubescent at mouth and on base of lobes, tube 1--1.5 mm; lobes ovate-elliptic, 2.5--3 mm. Stamens inserted at corolla mouth, included; filaments short; anthers oblong, ca. 1.2 mm, base bearded, connective mucronate. Ovary ovoid, ca. 1 mm, glabrous or apically with shaggy hairs. Style ca. 2 mm, basally hairy; stigma capitate. Berries orange when ripe, globose, 2--5.5 cm in diam., smooth, thin-walled, 1-or 2-seeded. Seeds orbicular, flat, ca. 1 cm in diam., surface feltlike. Fl. Mar-Jun.
In thickets and forests, along river-banks, from sea-level up to c. 250 m. Fl. May-June, fr. Febr., May.
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