S. Vietnam, Kontum Prov., Sa Thay Distr., Sa Son Municipality, Chu Mom Ray nature reserve (14°25′N, 107°44′E). Primary wet broad-leaved closed evergreen mountain forest on granites at elev. 600-700 m. Terrestrial herb up to 1.2 m hg in steep wet shady slope. Inflorescence pink-yellow, flowers white ? Leaves below brown-violet. Rare.
VH 5789 28 04.2000
International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6383-98)