Aphanostephus skirrhobasis (DC.) Trel. (redirected from: Aphanostephus arkansanus var. hallii)
Family: Asteraceae
[Aphanostephus arkansanus ,  more...]
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Annuals, 5-45 cm; vestiture hirsuto-pilose and/or puberulent, stem hairs spreading to deflexed, 0.1-0.3 mm. Phyllary apices acute to short-acuminate. Ray florets (10-)25-45. Disc floret corollas: bases (mature) bulbous-swollen, indurate. Cypselae: hairs apically 1-directionally coiled; pappi usually coroniform, uneven, rarely of acute to awn-tipped scales 0.2-2 mm.