Dimorphotheca pluvialis

Ascending annual herb to 40 cm high; branches glandular-pubescent. Leaves densely pubescent, the lower ones narrowly obovate to oblanceolate, becoming linear-lanceolate upwards, 1–6(–7) cm long, 3–18(–25) mm wide, sinuate to shallowly pinnatifid, rarely entire, cuneate at base. Capitula solitary. Involucral bracts 12–18, c. 1-seriate, lanceolate or linear-lanceolate, glandular-pubescent with scarious margins; ray florets 12–18, ligules 15–20 mm long, white above, purple below; disc florets yellow. Cypselas dimorphic, those of the rays obpyramidal, 4–6 mm long, tuberculate, those of the discs ovate, 6–8 mm long, with lateral wings. Flowers Aug.–Oct.