S. Vietnam, Prov. Lam Dong, distr. Lac Duong, municipalite Da Chay,
vicinities Klong Lanh village, 31 km to NE from Dalat city. Old closed
evergreen broadleaved secondary forest rich in primary elements along
mt river on NW macroslope of Bi Dup mt system at 1450 m alt.
(N 12° 08′, E 108° 39′).
Epiphyte on old trees over stream. Flowers light crimson-violet, not
smelled, spur whitish. Not too rare.
VH 3289 27.03.1997
International Botanical Expedition of the U.S.A. National Geographic
Society (grant No 5803-96)

Collectors: L. Averyanov, N.Q. Binh, P.K. Loc