FLORA OF VIETNAM Orchidaceae Arachnis annamensis (Rolfe) J.J.Smith
S. Vietnam, Dak Lac Prov., Krong Bong Distr., Cu Pui Municipality, elevation from Dak Tour village (12°30′N, 108°30′E) to main peak of Chu Yang Sinh mt system (12°24′N, 108°26′E) along Dak Tour river (N slope). Primary wet closed mountain broad-leaved and mixed forest on granites along very steep shady slopes of river at elev. 1700 m. Epiphyte on high tree on very steep open slope of river canyon. Flowers red-purple. Rare.
VH 6427 11.05.2000
International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6383-98)