Annual to perennial taprooted herbs. Hairs glandular and eglandular. Stems branching. Lvs basal and cauline, simple and toothed to runcinate-pinnatifid. Capitula terminal and in axillary clusters, sessile or pedunculate. Involucral bracts with long glandular hairs or glabrous, in 2 rows; outer row shorter. Receptacle areolate, with simple to fimbriate scales. Corolla ligulate, blue, rarely white or pink. Style branches filiform, blue. Achenes numerous, pale or mottled, obovoid to obconic, ± angled, flat at apex, not beaked, compressed together in the capitulum at fruiting; pappus of 1-2 rows of free, short, dirty white, obtuse scales.