Monographs Details: Syngonanthus phelpsae var. elongatus Moldenke
Authority: Maguire, Bassett, et al. 1953. The Botany of the Guayana Highland. Mem. New York Bot. Gard. 8 (2): 87-160.
Family:Eriocaulaceae
Description:Latin Diagnosis - Haec varietas a forma typica speciei recedit caulibus 5 cm. elongatis et foliis 2.5-4 cm. longis.

Discussion:TYPE: on cumbre at west rim, 2000 m. alt., Cerro Paru, Amazonas, Venezuela, January 31, 1951, R. S. Cowan & J. J. Wurdack 31098; New York Botanical Garden. The collectors note that all the material of this number was taken from a single clump.