Monographs Details: Xyris cuatrecasana 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. Circasia, margenes del Vaupes, alt. 200 m, 9 Oct 1939, Vaupes, Colombia, J. Cuatrecasas 7155 (holotype F).