S. Vietnam, Prov. Lam Dong, 31 km to NE from Dalat city, distr. Lac Duong, municipalite Da Chay (N 12° 08', E 108° 39'). Closed primary broadleaved mt forest on NW macroslope of Bi Dup mt system at 1550-1700 m alt. Root reddish parasite. Not common.
No VH 2798 17.03.1997
International Botanical Expedition of the U.S.A. National Geographic