Shrubs, 50–200 cm. Stems branched from near bases, glandular-pubescent. Leaves alternate; petioles 5–60+ mm; blades 3-nerved from bases, ovate to deltate, 10–100 × 10–90 mm, bases cordate to truncate, margins crenate to serrate, apices acute to rounded, faces puberulent to glabrate, often gland-dotted. Heads borne in (leafy) paniculiform arrays. Peduncles 1–5 mm, glandular-pubescent. Involucres cylindric to obconic, 7–12 mm. Phyllaries 21–35 in 5–6 series, greenish, often purple-tinged, 3–4-striate, unequal, margins scarious; outer ovate to lance-ovate (glabrous or sparsely glandular-pubescent, apices acute to acuminate), inner lanceolate (glabrous, apices obtuse to acuminate). Florets 8–12; corollas pale yellow-green, 5.5–8 mm. Cypselae 2.5–3.5 mm, puberulent; pappi of 24–30 white, barbellate bristles. 2n = 18.
Dry, rocky hillsides, arroyos, canyons; at elevations from 800-2,700 metres.
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