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plants NOT with slender rhizomes |
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plants generally 2-5 dm tall; NOT [plants
generally 1-2 dm tall] |
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involucral leaves sessile or subsessile;
NOT [involucral leaves long-petioled] |
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leaves 2-4 times ternate; NOT [leaves
with 3 segments], NOT [leaves 3-4 times ternate] |
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leaf segments linear or lanceolate; NOT
[leaf segments broad and wedge-shaped] (BF) |
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leaf-segments linear to lanceolate-ovate;
NOT [leaf-segments wedge-shaped to lanceolate-ovate] (FOA) |
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leaf segments generally less than 5 mm
wide; NOT [leaf-segments generally more than 5 mm wide] |
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mostly 1- to 4-flowered; NOT [mostly
1-flowered] |
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sepals often reddish; NOT [sepals often
bluish], NOT [sepals white or cream], sepals NOT yellow |
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sepals 5-25 mm long; NOT [sepals 15-40 mm
long] |
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mature styles 1-2 mm long; NOT [mature
styles 4-6 mm long], NOT [styles 1.5-3.5 cm long] |
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styles NOT reflexed |
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styles NOT plumose |
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carpels densely woolly; NOT [carpels not
woolly, glabrous or somewhat pubescent] |
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heads of achenes globose or ovoid; NOT
[heads of achenes cylindrical or narrowly ovoid] |
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achenes densely woolly; NOT [achenes not
woolly, glabrous or somewhat pubescent] |