S. Vietnam, Dak Lac Prov., Buon Don Distr. (approximately 12°53′N, 107°48′E). Open dry semideciduous Dipterocarp forest at elev. 100-150 m. Terrestrial ephemeroid sedge. Flowers and bracts white. Very common. Codominant of herb forest stratum.
VH 5831 30.04.2000
International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6383-98)