Monographs Details: Xyris duidensis Malme
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
Scientific Name:Xyris duidensis Malme
Description:Distribution and Ecology - Distribution. Sandstone mountain summits, alt. 1100-2000 m, confined to Venezuelan Guayana. VENEZUELA. Bolivar: Auyan-tepui, Tate 1319 (NY); Vareschi & Foldats 4721 (NY), 4762 (NY). Amazonas: Cerro Duida, Tate 544 (NY), Steyermark 58145 (NY); Cerro Sipapo, Maguire & Politi 27916, 28469; Cerro Guanay, Maguire, Phelps, Hitchcock & Budowski 31704.

Discussion:Type. Gorge of CaƱo Negro, Savanna Hills, alt. 4000 ft, Cerro Duida, Amazonas, Venezuela, G. H. H. Tate 811 (holotype NY).
Distribution:Venezuela South America| Guyana South America|