Perezia
(called after Lazarus Perez, an apothecary at Toledo, who wrote, in 1575, a history of drugs). Including Dumerilia (of Lessing) and Homoianthus. SYN. Clarionea. ORD. Compositae. A genus comprising about forty-six species of greenhouse, half-hardy, or hardy herbs, sometimes stemless or tufted, sometimes erect and branched; they are natives of extra-tropical South America or the Andes, Central America, Mexico, and California, and a few are found in Brazil. Flower-heads purple, pink, blue, or white, homogamous, rather large, on a one-headed, leafless scape, or sometimes mediocre, or smaller, and clustered or loosely paniculate at the apices of the stems; involucre ovoid, campanulate or turbinate; receptacle flat, naked or pilose. Leaves radical lobes toothed, sometimes spiny-ciliate. Few of the species are known to cultivation. Few of the species are known to cultivation. For culture, see Aster.
P. viscosa (clammy). A.-heads purple; pappus reddish; receptacle piloso-flmbrilliferous; involucral scales biseriate, entire, sub-equal, mucronulate. June. l., radical ones oblong-cuneate, obtuse, sinuate, acute,somewhat glandular; cauline ones sessile. Stem erect, almost naked or glandular. h. 1 1/2ft. Chili, 1862. Hardy. (B. M. 5401, under name of Homoianthus viscosus.)