Monographs Details: Rudgea graciliflora Standl.
Authority: Maguire, Bassett. 1967. The botany of the Guayana Highland--Part VII. Mem. New York Bot. Gard. 17: 1-439.
Family:Rubiaceae
Description:Distribution and Ecology - Known only from the type collection.

Discussion:

Type. Prope fluminis Mucujubimi, regione Breves, Para, Brazil, 17 Jan 1920, A. Ducke 15358.

An examination of the fragment of the type at F shows a definite sparse puberulence on the outer surface of the corolla-tube.