S. Vietnam, Prov. Lam Dong, distr. Lac Duong, municipalite Da Chay, 35 km to NE from Dalat city. Closed primary broadleaved mt forest along stream canyon on W macroslope of Gia Rinh mt. ridge at 1500 m alt. (N 12° 09', E 108° 41').
Terrestrial and epilitic sedge on open dry steep rocky river slopes. Not common.
No VH 2910 19.03.1997
International Botanical Expedition of the U.S.A. National Geographic