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. Terrestrial herb up to 3 m hg in open place. Flowers white, tops of tepals pink, lip yellow with purple stripes. Very common.
VH 5141 15.04.2000
International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6383-98)