Shrubs epiphytic, glabrous except for corolla. Stems climbing to 4 m. Petiole ca. 1.5 cm, robust, with a group of 2-5 adaxial glands; leaf blade deep green adaxially, pale green abaxially, obovate or obovate-oblong, 4.5-8 × 3-5 cm, thick leathery and pale yellow when dry, base rounded or subcordate, margin recurved, apex obtuse or rounded; lateral veins ca. 4 pairs. Pseudumbels extra-axillary, globose, ca. 5 cm in diam., many flowered, up to as long as leaves; peduncle stout, 1.5-3 cm; rachis elongated. Pedicel ca. 2 cm. Sepals keeled, ca. 3.5 × 1.5-3 mm, ciliate. Corolla creamy white, glabrous outside, puberulent inside; lobes triangular, ca. 4 × 5 mm. Corona lobes stellate spreading, ca. 2 mm, ca. 1 mm thick, concave, margin strongly recurved, outer angle rounded, inner acute, producing an acute tooth incumbent on anther. Follicles lanceolate, ca. 8 cm × 8 mm. Seeds oblong, ca. 5 mm; coma ca. 2 cm. Fl. Jun-Nov.

* Open woods. Hainan.