Fabaceae Lindl. Desmodium oblongum Wall.ex Benth. S. Vietnam, Prov. Kontum. Secondary evegreen dry forest (rich in primary elements) at 1300-1400 m alt. on W slope of Ngoc Linh mountain system above Ngoc Linh village. Herb shrub near 1 m high in open rocky place. Flowers deep blue. Not rare. VH 1179 04.04.1995 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