Roldana

Perennial herbs, shrubs or small trees; rootstock densely villous, particularly when young. Leaves alternate, petiolate, simple, entire to palmately lobed, often pinnately veined. Capitula few–many, cylindric to narrow-campanulate, in terminal and axillary corymbose panicles; involucral bracts 1- or 2-seriate, free, c. equal, herbaceous with scarious margins; bracteoles present below capitula; receptacle flat, naked. Florets 5–45, yellow, orange, rarely white or greenish; sterile female ligulate florets usually present; disc florets tubular, bisexual; anthers tailed with sterile basal auricles; style with long filiform branches. Cypselas ellipsoid-obovoid, ribbed, glabrous or pubescent; pappus of many fine barbellate bristles, caducous.