凸脉球兰 tu mai qiu lan

Shrubs epiphytic, glabrous throughout. Stems stout, climbing to 6 m. Petiole 1-2 cm, stout, with a group of adaxial glands; leaf blade ovate or ovate-oblong, 8-17 × 4-6.5 cm, leathery when dry, base rounded, apex acute or short acuminate; lateral veins 5 or 6 pairs, elevated, arcuate ascending, anastomosing near margin. Pseudumbels flat topped, many flowered; peduncle to 13 cm, thickened. Pedicel ca. 2 cm. Corolla white, ca. 1.2 cm in diam. Corona lobes stellate spreading, outer angle acute. Fl. Aug.

* Forests. Guangxi, S Yunnan.