Scrambling woody climber to shrub tending to climb. Internodes of young stems glabrous, deeply grooved. Leaves in whorls of 3 or 5 (or 4), with milky sap; petiole 2–5 mm long; lamina elliptic to slightly oblanceolate or obovate to broadly oblanceolate, 2–9 cm long, 1.3–3 cm wide, acute and attenuate at base, obtuse to rounded, sometimes slightly emarginate at apex, somewhat coriaceous to coriaceous; venation raised above and often obscure below or obscure above and below. Inflorescence terminal or axillary, cymose, somewhat clustered, 1.5–2 cm long or a dense rounded cluster 2–4 cm diam., with numerous fetid flowers; pedicels with a whorl of pointed bracteoles subtending calyx, often completely covered by several to many imbricate, pointed bracteoles, the bracteoles resembling calyx lobes. Calyx lobes narrowly triangular, c. 2 mm long, finely ciliolate, acute, keeled. Corolla white; tube c. 5–7 mm long, glabrous; lobes ovate, c. 3–4 mm long, acute to obtuse. Fruit drupaceous, solitary or moniliform, ellipsoidal, c. 2 cm long, slightly curved, pointed, sometimes 2 end to end, blue-black.
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