S. Vietnam, Kontum Prov., Kon Plong Distr., Hieu Municipality, Mang La forest enterprise (14°39′N, 108°25′E). Primary broad-leaved wet evergreen forest on sandstone at elev. 1100-1200 m. Prostrate terrestrial herb along road in open place of short tall secondary grassland. Flowers white.
VH 5394 19.04.2000
International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6383-98)