FLORA OF VIETNAM Orchidaceae Anoectochilus acalcaratus Aver. ?
N. Vietnam, prov. Ha Giang, distr. Yen Minh, municipality Du Gia, E slopes of Phu Tha Ca mountain system at 1800-1900 m elev. (N 23°56′ E 105°13′). Primary evergreen broadleaved wet mountain forest on shale-quartzite very steep slopes. Terrestrial herb on shady rocky steep slope. Not rare.
CBL 2175 03 May 1999
International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6300-98)