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. Epiphyte vine 3-4 m hg in high trees. Flowers white. Not rare. VH 5551 22.04.2000
International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6383-98)