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Dieteria bigelovii var. mucronata (Greene) D. R. Morgan & R. L. Hartman  

No occurrences found

(redirected from: Machaeranthera bigelovii var. mucronata (Greene) B.L. Turner)
Family: Asteraceae
Bigelow's tansyaster
[Aster adenolepis Blake, moreMachaeranthera bigelovii var. mucronata (Greene) B.L. Turner, Machaeranthera mucronata Greene]
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David R. Morgan in Flora of North America (vol. 20)
Leaf blades linear to linear-oblanceolate, mid 20-80 × 2-6 mm, margins entire, faces glabrate, puberulent, or canescent. Involucres hemispheric, 8-12 mm, widths 2-3 times heights. Phyllaries 90-100, 0.5-1 mm wide (at midpoint), apices long-acuminate, 2-5 mm. Ray florets 20-60. 2n = 8. Flowering Aug-Sep. Meadows and open areas in coniferous forests; 2400-3000 m; Ariz. Variety mucronata is known from the Kaibab Plateau (northcentral Arizona).
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