Description: Herbaceous perennial with thin, branched rhizomes. Stems few or solitary, usually 25–50 cm tall, grayish with long, entangled, white hairs, often with short leafy branches in mid and upper leaf axils. Leaves bipinnatisect, usually oblong, green or grayish-green, more or less densely hairy; leaves of sterile shoots up to 25 cm long, long-petiolate; lower stem leaves 7–20 cm long, petiolate to subsessile; upper leaves sessile, usually 1–6 cm long. Inflorescences capitula arranged in loose, convex corymbs of unequal heights. Involucre cup-shaped; involucral bracts oviform, pale yellowish-green. Ray flower ligules pink, very rarely white. Fruits oblong, wedge-shaped achenes, truncated at the apex.