Climber with warty stems; tendrils glabrous. Leaves spirally arranged, sessile, glabrous, 3-foliolate; terminal leaflets distinctly petioled, petiolules 10-20(27) mm long, lamina obovate to elliptic, (35-)43-70(-80) mm long, 19-32(-40) mm broad; lateral leaflets with shorter petiolules, petiolules (1.2)2-3, 5(6) mm long, lamina ovate 20-35(-47) mm long, 12.5-35 mm broad, acuminate, base asymmetrical, margin entire or with 2-3 (sometimes 1) dentations on both sides, under surface of all leaflets with major veins raised to form a conspicuously reticulate venation; acarodomatia sometimes present in axils of lower lateral veins. Inflorescence a cyme, leaf-opposed or on tendrils, young parts hairy. Calyx cup-shaped. Petals 6, glabrous, creamy white. Stamens 6, bending over ovary, anthers basifixed, oblong, 0.5 mm long. Ovary immersed in a disc; style linear; stigma simple, obtuse. Fruit an ovoid berry, 6-9 mm long, 8-10 mm broad, red when young, purplish black when ripe, Seeds globose, ca. 5-7 mm long, 5-6 mm broad, rugose, with a longitudinal furrow, one side flattened when seeds in pairs.
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