Plants 5–8 (10) dm tall; aerial flowering stems strongly fistulose, 2.5–3.5 dm long, glabrous; leaves sheathing, the blades 1–6 cm long, 1–2 (3) cm wide, densely tomentose abaxially, less so to floccose adaxially, the margins strongly undulate-crisped; inflorescences cymose, 25–50 cm long, 15–25 cm wide, the branches glabrous; involucres 1 per node, 4–5 mm long, glabrous; flowers 2.5–3 mm long, the perianth pale yellowish- white to yellow or white, glabrous. 2n = 80.
Flowering May-Oct. Clayey slopes, grassland communities, oak and conifer woodlands; 100–1100 m; inner Coast Ranges of central California in Fresno, western Kern, Kings, Merced, eastern Monterey, San Benito, and eastern San Luis Obispo cos.

Involucres 1 per node, 4–5 mm long, glabrous.
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