S. Vietnam, Prov. Lam Dong, distr. Lac Duong, municipalite Da Chay, vicinities Klong Lanh village, 32 km to NNE from Dalat city (N 12° 08′, E 108° 39′). Grassy-sedges swampy Pinus kesiya forest on high terrace of river valley at the base of hills at 1450 m alt. in 6-7 km from Bi Dup main peak to the W. Grass like herb up to 1 m hg. Tepals whitish-pink, lip white at the base, crimson to margin of epichile, sometimes with yellow center, rare flowers pure white. Very common, occasionally abundant. VH 3974 14.04.1997 International Botanical Expedition of the U.S.A. National Geographic Society (grant No 5803-96) Collectors: L. Averyanov, N.Q. Binh