Herbage with vile odor. Leaf blades mostly obovate, 20-35 mm, ultimate lobes linear to spatulate or oblanceolate, 0.5-1 mm wide, sparsely puberulent or strigillose, minutely gland-dotted (in pits). Heads borne singly or 2-4 in corymbiform arrays. Peduncles 1-2(-8) cm, ebracteate. Involucres 3-3.5 × 4-6 mm. Receptacles ± conic to subspheric, muricate. Disc corollas 1.5-2 mm. Cypselae slightly curved, 0.6-0.8 mm, sparingly dotted with minute, glistening oil glands; pappi coroniform, 0.05-0.1 mm, margins subentire or minutely dentate. 2n = 12. Flowering Mar-Jun. Disturbed sites, coastal scrub; 500-900 m; introduced; Ariz., Calif.; South Africa.