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 secondary wet short tall grassland along road. Flowers white. Very common weed.
VH 5288 17.04.2000
International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6383-98)