Epiphytes glabrous except for branchlets and young petiole. Stems to 2 m, pale gray. Petiole 2-4 mm; leaf blade ovate-lanceolate, 4.5-7 × 1-2.7 cm, base rounded, apex caudate; midvein flattened; lateral veins 4 or 5 pairs, obscure. Pseudumbels flat topped, many flowered; peduncle ca. 4 mm. Pedicel 1-1.2 cm. Sepals ca. 2 mm. Corolla yellowish, rotate, ca. 1 cm in diam.; lobes broadly ovate, 3-4 × 3-4 mm, apex mucronate. Corona lobes brownish, oblong-ovate, stellate, margin revolute, outer angle acute, inner angle subulate, erect and incurved at apex. Anthers acuminate, gynostegium pubescent. Ovaries glabrous. Fl. Apr.

* Forests; ca. 900 m. Hainan (Diaoluoshan).