Orchidaceae Juss. Bulbophyllum retusiusculum Reichenb.f. S. Vietnam, Prov. Kontum. Cloud evegreen primary forest on N slope of Ngoc Linh mountain system at 2380 m alt. Epiphyte. Tepals yellow light brownish, central sepal and petals with purple stripes, lip yellowish purple at the base. Common. VH 579 09.03.1995 International Botanical Expedition of the U.S.A. National Geographic Society (grant No 5094-93)
Participants: L. Averyanov, N.T. Ban, N. Q. Binh, A. Budantzev, L. Budantzev, N.T. Hiep, D.D. Huyen, P.K. Loc, N.X. Tam, G. Yakovlev