Shrubs, 5-15 or 20-150(-200) cm, aromatic; root-sprouting (caudices with adventitious buds, fibrous rooted). Stems pale gray, glabrous. Leaves deciduous, gray-green; blades broadly cuneate, 1.5-4 × 0.5-2 cm, deeply 3-lobed (lobes 1-1.4 mm wide, acute; cauline leaves smaller, mostly 3-lobed). Heads in paniculiform or spiciform arrays (5-)8-15(-35) × (0.5-)1-5 cm. Involucres globose or turbinate, 2-4 × 1.5-3 mm. Phyllaries broadly lanceolate (margins scarious, obscured by indument), canescent. Florets 3-11; corollas 2-2.5 mm, glandular (style branches included). Cypselae (columnar, unequally ribbed) 1.8-2.3 mm, glabrous or resinous.