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 up to 0.4 m hg in mossy slopes. Flowers white, central petal light violet. Not rare.
VH 5546 22.04.2000
International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6383-98)