FLORA OF VIETNAM Orchidaceae Dendrobium umbonatum Seidenf.
N.Vietnam, Prov Lai Chau. Broadleaved forest on limestone at elevation at about 1000 m. a.s.l. Flowered in Hanoi private collection at May 2003. Coll. L.Averyanov and N.T.Hiep. Flowers white, lip with light yellow center and purple nerves at the base, menthum with pink-violet tint, column and anther white. Not common.