Monographs Details: Sabicea velutina subsp. chimantensis Steyerm.
Authority: Maguire, Bassett. 1967. The botany of the Guayana Highland--Part VII. Mem. New York Bot. Gard. 17: 1-439.
Family:Rubiaceae
Description:Species Description - A subsp velutina petiolis 5-15 mm longis recedit; laminis basi acutis vel obtusis ter ad ter et pars tertia longioribus quam latioribus; capitulis 20 -25-floris; corollis 15-15.5 mm longis, tubo 11.5 mm longo; antheris 2 mm longis.

Distribution and Ecology - VENEZUELA. Bolivar: base of southwest-facing escarpment. Amuri-tepui (Chimanta Massif), alt 1365 m, 10 March 1955, Julian A. Steyermark & John J. Wurdack 1340 (holotype VEN); base of southeast-facing sandstone bluffs of Chimanta-tepui (Torono-tepui), from south corner northeastward, alt 1700 m, 21 May 1953, Steyermark 75498.