S. Vietnam, Prov. Lam Dong, distr. Lac Duong, municipalite Da Chay, vicinities Klong Lanh village, 31 km to NE from Dalat city (N 12° 08′, E 108° 39′). Secondary grasslands and shrub associations on river valley at foothills of NW macroslope of Bi Dup mt system at 1450 m alt. Grass up to 1 m hg in wet place along streamlet. Not common. VH 3868 12.04.1997 International Botanical Expedition of the U.S.A. National Geographic Society (grant No 5803-96)