FLORA OF VIETNAM
Orchidaceae
Dendrobium chrysanthum Lindl.

N. Vietnam, prov. Son La, distr. Moc Chau, municipality Chieng Hac, vicinities of Co Liu village (N 20°51′ E 104°38′). Primary evergreen broadleaved wet mossy forest along rocky tops of remnant karst limestone ridge at 1100-1240 m elev. Lithophyte forb up to 1 m hg on mossy rocks and cliffs. Very common.
NTH 2949 29 May 1999
International Botanical Expedition of the U.S.A. National Geographic
Society (grant No 6300-98)
Collectors: N.T.Hiep, P.H.Hoang, Averyanov L.

Flowers coll. in horto 22 October 2001
Flowers fragrant (like Tussilago or Helianthus), brightly yellow, lip
with two large brown-chestnut spots on the disc. Averyanov L.