Shrubs, epiphytic, many-branched. Branchlets 4-sided, later terete, glabrous; bark corky and wrinkled. Petiole ca. 3 mm, glabrous; leaf blade lanceolate-ovate to elliptic-ovate, 6-16 × 2.2-7 cm, stiffly papery, both surfaces glabrous, adaxially densely scrobiculate, secondary veins 1-2 on each side of midvein, base cuneate, margin entire, apex acute to acuminate. Inflorescences terminal, compound cymes; peduncle 2-3 cm. Pedicel 8-11 mm, glabrous. Hypanthium campanulate, 4-sided, ca. 3 mm, densely tuberculate, glabrous, margin inconspicuously repand. Calyx lobes ca. 5 mm. Petals rhombic-ovate, ca. 1.4 × 0.6 cm, oblique, apex with 1 glandular trichome at tip. Stamens 8, subequal, 4 longer and 4 slightly shorter; anthers linear-lanceolate, base tuberculate; connective base inconspicuously spurred. Longer stamens ca. 1.4 cm; anthers ca. 6.5 mm. Shorter stamens ca. 1.2 cm; anthers ca. 5.5 mm. Ovary 8-ribbed, glabrous, apex truncate and dentate. Berry urceolate, 7-10 × 5-9 mm, persistent sepals semiorbicular, glabrous, margin repand. Seeds obovate. Fl. and fr. Sep.