Pringle’s woolly sunflower

Annuals, 1–5 cm. Stems ± spreading. Leaves: blades ± cuneate, 3–10 mm, usually 3-lobed, ultimate margins entire, strongly revolute (apices ± rounded), faces woolly. Heads borne singly or in clusters. Peduncles ± 0.1 cm. Involucres broadly campanulate to hemispheric, 3–5+ mm diam. Phyllaries 6–8, distinct. Ray florets 0. Disc florets 10–20; corollas ± 2 mm (tubes cylindric, throats broadly cylindric, abruptly dilated, lobes glandular; anther appendages deltate, tapering distally, not glandular). Cypselae 1.5–2 mm; pappi of 5–12 ± oblanceolate scales ± 1 mm. 2n = 14 + 0–1 B or 0–1 I, 16.

Flowering Feb–Jul. Sandy or gravelly openings in desert, creosote-bush, or sagebrush scrublands, or chaparral; 300–2200 m; Ariz., Calif., Nev.; Mexico (Baja California).