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Dieteria canescens var. aristata. (synonyms include Machaeranthera canescens var. aristata, M. rigida, and Aster canescens var. aristatus). Strikingly different from var. canescens. Upper branches contain numerous bracteate leaves. The mid and distal leaf blades are linear-lanceolate .Sept. 24, 2010, Colorado River drainage, Professor Valley, Grand Co., Utah, elev. approx. 3,980 ft.
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Ray floret and disk floret
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Dieteria canescens var. aristata. (synonyms include Machaeranthera canescens var. aristata, M. rigida, and Aster canescens var. aristatus). In addition to the upper branches containing numerous bracteate leaves, the erect stems are stipitate-glandular. The leaves are mostly glabrous however.Sept. 24, 2010, Colorado River drainage, Professor Valley, Grand Co., Utah, elev. approx. 3,980 ft.
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This appears to most closely match Dieteria canescens var. aristata. (synonyms include Machaeranthera canescens var. aristata, M. rigida, and Aster canescens var. aristatus). Strikingly different from var. canescens. Upper branches contain numerous bracteate leaves. Native forb, annual or biennial.Sept. 24, 2010, Colorado River drainage, Professor Valley, Grand Co., Utah, elev. approx. 3,980 ft.
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