FLORA OF VIETNAM Orchidaceae Callostylis rigida Blume
S. Vietnam, Kontum Prov., Kon Plong Distr., Hieu Municipality, Mang La
forest enterprise (14°39′N, 108°25′E). Primary evergreen broad-leaved wet forest on steep mt. slopes on sandstone & gneiss at elev. 1000-1200 m. Epiphyte on high tree. Very common. Flowers: tepals pale yellowish-brown, lip black-violet.
VH 5147 15.04.2000
International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6383-98)