S. Vietnam, Kontum Prov., Kon Plong Distr., Hieu Municipality, Mang La forest enterprise (14°39′N, 108°25′E). Primary wet mossy mountain coniferous forest on sandstone (with Pinus dalatensis, Fokienia hodginsii, Dacrydium elatum, Dacrycarpus imbricatus) along ridge tops at elev. 1200 m. Terrestrial herb in shady slope. Flower buds light green. Not common.
VH 5568 22.04.2000
International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6383-98)