Monographs Details: Pitcairnia patentiflora var. armata 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:Bromeliaceae
Description:Latin Diagnosis - Florifera 2 m alta; foliis 14 dm longis, laminis 4 cm latis, basin versus angustatis, omnino laxe serrulatis; sepalis ad 27 mm longis

Discussion:

Type. Terrestrial, locally occasional in scrub forest on sandstone dome on right bank of Rio Siapa just below Randal Gallineta (about 110 river km from mouth), alt. 600-700 m, Amazonas, Venezuela, 21 Jul 1959, J. J. Wurdack & L. S. Adderley 43565 (holotype US).

This variety differs from variety macrantha in its completely serrulate leafblades.