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 with Dacrycarpus imbricatus on steep mt. slopes on sandstone & gneiss at elev. 1100-1200 m. Terrestrial herb on steep shady slope. Flowers white, central tepal with pink scarlet tip and red central longitudinal stripe. Not rare.
VH 5222 16.04.2000
International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6383-98)