Taxonomie : Taxon non traité par Wurdack (Phytologia, 21(6): [
353-]
366[-
368]. 07/1971) qui indique seulement: "The varieties described by Naudin, Cogniaux, S. Moore, and Hoehne under
C. rubra are for a monographer to evaluate and transfer."
Type : "Var. δ in Nova Granata prope Popayan: Karsten." [protologue].
Colombie, Cauca, environs de Popayán, H. Karsten (HT: W? [fragment:
BR0000005184446]).