Annual to perennial taprooted or rhizomatous herbs. Hairs eglandular, glandular, or 0. Stems usually branching, rarely scapose. Lvs usually basal and cauline, entire to runcinately 1-2-pinnatifid, sometimes the cauline 0 or much reduced. Capitula terminal and axillary, pedunculate. Outer surface of involucral bracts usually with glandular and eglandular hairs; inner surface glabrous or with appressed hairs; outer bracts < inner bracts; inner bracts in 2 or more series. Receptacle areolate, glabrous or ciliate; scales usually 0, rarely present. Corolla ligulate, usually yellow, sometimes orange, pink, or white, often with red or pink stripe on outer face. Style branches filiform, yellow or green. Achenes numerous, white to black, usually brown, ribbed, either all without beaks, all beaked, or the outer not beaked and inner beaked; pappus bristles in 1 or more rows, white to yellowish, short to > achene, simple, free or united at base.