Proc. Amer. Acad. Arts 7: 350. 1868.
Shrubs, 40–130 cm. Stems branched from bases, densely white-tomentose. Leaves alternate; petioles 0–2 mm; blades 3-nerved from bases, ovate, 10–30 × 5–20 mm, bases obtuse to truncate, margins entire or serrulate, apices acute, faces densely white-tomentose, often glanddotted. Heads borne singly. Peduncles 30–60 mm, canescent. Involucres campanulate, 15–20 mm. Phyllaries 38–44 in 6–8 series, greenish to purple, 6–9-striate, unequal, margins narrowly scarious-ciliate (faces white tomentose and glanddotted, apices obtuse to acuminate); outer ovate, inner lanceolate. Florets 45–60; corollas pale-yellow or cream, often purple-tinged, 8.5–14 mm. Cypselae 8.5–10 mm, sericeous, glanddotted; pappi of 42–44 white, barbellate bristles. 2n = 18.
Phenology: Flowering May–Oct.
Habitat: Sandy and gravelly washes, flats
Elevation: 300–1600 m
Ariz., Calif., Nev.
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