Annuals, 5-30+ cm. Leaf blades narrowly oblong or oblanceolate to linear, 10-50(-100+) × 2-20(-30+) mm, margins usually sinuately denticulate, sometimes serrate or entire, rarely pinnati-fid. Peduncles (2-)5-15+ cm. Phyllaries 6-12+ mm. Ray corolla laminae abaxially yellow to orange (often marked with purple), adaxially mostly yellow to orange (sometimes purplish at bases and/or apices), 15-20(-30+) mm. Disc florets 15-50+; corollas yellow to orange, usually purplish distally, 4-5 mm (lobe apices acute, terete, or dilated). Ray cypselae 4-5 mm; disc cypselae 6-8 mm. 2n = 18. Flowering (Dec-)Mar-May. Disturbed places; 0-1000 m; introduced; Ariz., Calif.; South Africa.

References: J.C. Hickman, ed. The Jepson Manual.ASU specimens.