S. Vietnam, Prov. Lam Dong, 31 km to NE from Dalat city, distr. Lac Duong, municipalite Da Chay, vicinities Klong Lanh village (N 12° 08′, E 108° 39′). Secondary shrub associations on NW macroslope of Bi Dup mt system at 1450-1500 m alt. Terrestrial herb up to 1 m hg. Not common. Flowers yellowish. VH 3683 04.04.1997 International Botanical Expedition of the U.S.A. National Geographic Society (grant No 5803-96)