Multi-branched shrubs, epiphytic, 0.3–1.5 m tall; young shoots slender, long, twisted, glandular-scaly. Petiole 2–8 mm, sparsely scaly; leaf blade leathery, oblong-obovate to obovate or oblanceolate, 2–5 × 1–3 cm; base cuneate; margin slightly revolute; apex rounded, apiculate; abaxial surface yellowish green, scales 2–3 × their own diameter apart, small, unequal, glandular, brown; adaxial surface dark or fresh green, scaly or not, midrib and lateral veins raised abaxially, concave adaxially. Inflorescence terminal, umbellate, 3–6-flowered. Pedicel 0.2–0.25 cm, sparsely glandular-scaly; calyx lobes 5, 1–2 mm, ovate or triangular, scaly abaxially and on margin; corolla campanulate, white to pale red or yellow, 1–1.5 cm, outer surface glandular-scaly; lobes broadly ovate; stamens 10, unequal, 0.6–0.7 cm, shorter than corolla; filaments densely pubescent in lower 2/3; ovary 5-locular, scaly, densely pubescent; style stout, erect or arched, shorter than corolla, as long as or slightly longer than stamens, often glabrous, sometimes with lower part pubescent. Capsule tubular or subovoid, 8–12 mm, densely pubescent or sparsely villous.
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