FLORA OF VIETNAM Orchidaceae Phaius tankervilleae (Banks ex L.Her.) Blume
N. Vietnam, prov. Cao Bang, distr. Nguyen Binh, municipality Ca Thanh (N 22°44′ E 105°50′) at about 1000 m elev. Terrestrial herb with inflorescence up to 1.5 m hg in open place on wet clay-lateritic soil on shales in open secondary shrubs and short tall grasslands. Flowers odorless: tepals outside white, inside brownish-purple, lip deep purple-violet. Not rare.
CBL 1262 13 April 1999
International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6300-98)