Subshrubs epilithic or epiphytic, glabrous except for corolla. Stems to 1.5 m, climbing by adventitious roots. Petiole 1-2 cm, adaxial glands 1-3; leaf blade narrowly lanceolate, 6-11 × 1.5-2 cm, thin papery, base attenuate and decurrent to petiole, apex acuminate; lateral veins obscure. Pseudumbels extra-axillary, flat topped, many flowered; peduncle 2-8 cm, stout. Pedicel 1.5-2.5 cm. Sepals ca. 1.5 × 0.8 mm, acuminate. Corolla white, 1-1.5 cm in diam., stellate spreading, glabrous outside, villous inside; tube ca. as long as lobes; lobes triangular, recurved at margin. Corona lobes yellow, ca. as high as gynostegium, outer angle rounded, inner teeth short, incumbent on gynostegium. Follicles linear-lanceolate, ca. 17 cm × 5 mm, smooth. Fl. Jul.
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