N. Vietnam, prov. Ha Giang, distr. Yen Minh, municipality Du Gia, E slopes of Phu Tha Ca mountain system at 1000-1100 m elev. (N 23°56′ E 105°13′). Secondary broadleaved wet evergreen forest with remnants of primary elements on shale very steep slopes. Chlorophylless saprophyte with erect reddish-purple stem 2-4 m hg in open place among bamboo. Flowers brightly yellow; lip lobes with red hairs; column yellow; anther reddish-orange. Rare.
CBL 2090 03 May 1999
International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6300-98)