Shrubs, scandent. Branches 4-sided, with a setose ring at nodes, scattered lenticellate. Leaves 4-verticillate; petiole ca. 1 cm, brownish furfuraceous; leaf blade oblong, 9-12 × 2.5-3 cm, abaxially minutely brownish furfuraceous, adaxially glabrous, secondary veins 2 on each side of midvein, base obtuse to cuneate, margin entire, apex caudate-acuminate. Inflorescences inserted on leafless branches, cymose paniculate, 15-20 cm; peduncle 3-4 cm, bracteate. Pedicel ca. 5 mm, minutely brownish furfuraceous, bracteolate. Hypanthium urceolate, ca. 6 mm. Calyx lobes 4, inconspicuous. Petals pink, ovate, ca. 9 mm, apex obtuse. Stamens equal; filaments 6-7 mm; anthers linear-lanceolate, 7-8 mm, base tuberculate; connective decurrent, forming a short spur. Ovary globular, glabrous. Berry 3-4 × 3-5 mm. Fl. Jul-Aug.
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