FLORA OF VIETNAM Orchidaceae Dendrobium nobile Lindl.
N. Vietnam, prov. Cao Bang, distr. Nguyen Binh, municipality Ca Thanh (N 22°44′ E 105°50′). Primary semideciduous mixed forest along tops of remnant karst limestone ridge at 1350-1400 m elev. Epiphyte. Flowers: tepals white with purple-violet tops, lip white with deep violet center, purple-violet apex and purple-violet base, column green, anther purple-violet. Not rare.
CBL 1305 13 April 1999
International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6300-98)