Monographs Details: Xyris oxylepis 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.
Description:Distribution and Ecology - Distribution. Known only by the type collection.

Discussion:Type. Sabanas sobre piedras areniscas, alt. ca. 450 m, Rio Kuduyari, Cerro Yapoboda, 5 Oct 1951, Vaupes, Colombia, R. E. Schultes & I. Cabrera 14234-13 (holotype COL, isotype US).