Roughly hairy or prickly, stiffly branched shrublet, up to 0.6 m tall. Leaves alternate, sessile and half clasping at base, foetid, linear-lanceolate to linear, margins sparsely dentate or dentate-pinnatifid or pinnatipartite, lobes acute and pungent. Flowerheads radiate, solitary or corymbosely arranged at branch tips, pedunculate; ray florets long, yellow; disc florets yellow. Cypselas triangular and 3-winged or globular.
Roughly hairy or prickly, stiffly branched shrublet to 60 cm. Leaves foetid, pinnatifid, lobes acute and pungent. Flower heads radiate, solitary at branch tips, yellow. Achenes smooth or warty and winged.