S. Vietnam, Prov. Lam Dong, distr. Lac Duong, municipalite Da Chay, in 29-31 km to NNE from Dalat city. Old open secondary dry coniferous mt forest with domination of Pinus kesiya at 1550-1700 m alt. in 8-10 km from Bi Dup main peak to the W (N 12° 07′, E 108° 36′). Epiphyte mostly on Lyonia and Lithocarpus. Flowers white, epichile tip yellow, fl. bracts brightly yellow. Not common. VH 3960 14.04.1997 International Botanical Expedition of the U.S.A. National Geographic Society (grant No 5803-96)