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′). Old secondary dry evergreen broadleaved mt forest rich in primary elements at 1500-1550 m alt. in 8-10 km from Bi Dup main peak to the W. Terrestrial herb in shadow steep slopes. Flowers pale pink. Common. VH 3703 06.04.1997 International Botanical Expedition of the U.S.A. National Geographic Society (grant No 5803-96)