S. Vietnam, Prov. Lam Dong, distr. Lac Duong, municipalite Da Chay, 31 km to NE from Dalat city (N 12ш 08', E 108ш 39'). Closed primary evergreen broadleaved mt forest on NNW macroslope of Bi Dup mt system at 1700-1800 m alt.
Chlorophyll less yellowish-brown root parasite (on roots of Tetrastigma sp.) in wet very steep slopes of deep stream canyon.
Not common.
No VH 4522 02.05.1997
International Botanical Expedition of the U.S.A. National Geographic