FLORA OF VIETNAM Orchidaceae Dendrobium gratiosissimum Rchb.f.
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: tepals white with violet light tint on toward the tips, lip white, with yellow center and pink-violet tint at apex.