Hymenopappus filifolius var. megacephalus B.L. Turner
Family: Asteraceae
fineleaf hymenopappus
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Stems 30-70 cm. Leaves: basal axils ± densely tomentose, terminal lobes 5-30 mm; cauline (1-)2-6. Heads 3-10(-14). Peduncles 2-10 cm. Phyllaries 8-12(-14) mm. Florets 25-60; corollas yellowish, 4-7 mm, throats 2-5 mm, lengths 2-5+ times lobes; anthers 3-4 mm. Cypselae 5-7 mm, hairs 1-2 mm; pappi (1-)1.5-3 mm. 2n = 34.

Flowering May-Nov. Sands, gravels; 300-1700 m; Ariz., Calif., Colo., Nev., Utah.