Monographs Details: Xyris terrestris Idrobo & L.B.Sm.
Authority: Maguire, Bassett & Wurdack, John J. 1964. The botany of the Guayana Highland--Part V. Mem. New York Bot. Gard. 10: 1-278.
Family:Xyridaceae
Description:Distribution and Ecology - Distribution. Known only from Vaupes, Colombia.

Discussion:Type. Cerro de Caenda (sabanas), alt. 380-670 m, Rio Kubiyu, 4 Nov 1952, Vaupes, Colombia, H. Garcia-Barriga 15090 (holotype COL, isotype US). Paratypes. Rio Karuru, Vaupes, Schultes d- Cabrera 19179 (COL); Rio Kuduyari, Vaupes, Schultes d: Cabrera 14235-A (COL).
Distribution:Colombia South America|