Monographs Details: Arachnothryx caucana (Standl. ex Steyerm.) Steyerm.
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 - COLOMBIA. Huila: Cordillera Oriental, along trail from Garzon SE about 15 km to Estrella (finca), alt 1630 m, Little 9334; Cauca: along Quebrada de Tierra, above Argelia, alt ca 1600 m, Core 1230.

Discussion:

Rondeletia caucana Standley ex Steyermark, Acta Biol. Ven. 4: 108. 1964.

Type. Rio Ingutto, Dept, El Cauca, Cordillera Occidental, Colombia, Feb 1938, E. Dryander 2094

This species differs from Arachnothrix glabrata in having shorter, oblong or spatulate-oblong rounded to obtuse calyx-lobes which are densely arachnoid-pubescent without, in the densely sordid-arachnoid pubescent hypanthium, and densely arachnoid-pubescent corolla-tube.

Distribution:Colombia South America|