Revisión del género <i>Perezia</i> (Compositae)

Revision of the genus Perezia (Compositae). The genus Perezia Lag. (Compositae), with 30 species, is distributed in the Andean-Patagonian region from Colombia to southern Argentina and Chile, and in eastern Brasil and Argentina, Paraguay and Uruguay. It belongs to the tribe Nassauvieae, subfamily Mutisioideae by its bilabiate corollas, caudate anthers, truncate style branches with a crown of collector hairs, and a particular pollen structure. It is proposed in this paper: a) the rehabilitation of Perezia atacamensis, P. burkartii, and P. capito; b) the change of P. ciliosa var. dentata to the species category [P. dentata (Cabrera) comb. nov.]; c) the inclusion of Perezia catharinensis Cabrera, P. eryngioides…