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Perennial herbs; roots fleshy, almost tuberous. Leaves alternate, occasionally subopposite or whorled, sessile. Capitula solitary or clustered in scorpioid cymose inflorescences; phyllaries 3–5-seriate, subequal or with the inner somewhat longer than the outer; corolla with cylindrical tube and infundibuliform limb, pubescent on lower part, lobes 5, narrow, with stiff apical hairs, sometimes also pubescent. Achenes 3–5-angled or -ribbed; pappus double, the outer of free or connate membranous lacerate scales, the inner of longer, caducous, brownish, somewhat flattened, barbellate setae, the outer sometimes absent.