Coreopsis sect. Gyrophyllum Nuttall (Q2577)
Coreopsis sect. Gyrophyllum is a taxon with the rank section within the genus Coreopsis
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Coreopsis sect. Gyrophyllum Nuttall
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Coreopsis sect. Gyrophyllum is a taxon with the rank section within the genus Coreopsis
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Statements
taxon/id/Coreopsis sect. Gyrophyllum Nuttall
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Coreopsis sect. Gyrophyllum Nuttall
Coreopsis sect. Gyrophyllum
Nuttall
FNA Editorial Committee. 2006. Flora of North America north of Mexico. Volume 21: Magnoliophyta: Asteridae, part 8: Asteraceae, part 3. Oxford University Press, New York.
accepted
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Leaves cauline, opposite;
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blades usually 3-foliolate, sometimes simple or ± pinnately lobed (with 5+ leaflets), leaflets simple or each with 2–9+ lobes, or blades not 3-foliolate (then often with 3 (–5+) lobes).
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Calyculi of 5–12+ bractlets.
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Ray-florets 8, neuter;
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laminae yellow, ± oblongelliptic to suborbiculate, broadest at or near middle, apices entire or 2–3-toothed.
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Disc-florets 25–80+;
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corollas yellow or ± redbrown to purple, lobes 5;
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style-branch apices ± penicillate.
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Paleae usually linear to subulate, often distally dilated.
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Cypselae obovate to oblong, wings corky to chartaceous, entire, ± spreading, not ciliolate, faces glabrous, smooth;
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more or less pinnately; more or less pinnately
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less oblongelliptic
suborbiculate
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