Arnoseris Gaertner (Q3065)
Arnoseris is a taxon with the rank genus within the tribe Cichorieae
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Arnoseris Gaertner
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Arnoseris is a taxon with the rank genus within the tribe Cichorieae
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Statements
taxon/id/Arnoseris Gaertner
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Arnoseris Gaertner
Arnoseris
Gaertner
FNA Editorial Committee. 2006. Flora of North America north of Mexico. Volume 19: Magnoliophyta: Asteridae, part 6: Asteraceae, part 1. Oxford University Press, New York.
accepted
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Stems 1–10+ (scapiform), erect, simple or branched distally, glabrous.
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Leaves mostly basal;
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obscurely petiolate;
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blades oblanceolate to spatulate, margins dentate (faces usually scabridulous, mostly near margins).
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Heads borne singly or (2–3) in loose, corymbiform arrays.
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Peduncles inflated (fistulose) distally, not bracteate.
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Calyculi 0 or of 1–10+, lanceolate bractlets.
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Involucres broadly campanulate or urceolate, 4–8 mm diam.
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Phyllaries 10–22+ in 1 (–2) series (basally connate), lanceolate to lance-linear (abaxially keeled proximally), equal or subequal, margins little, if at all, scarious, apices acuminate.
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Receptacles flat, pitted, glabrous, epaleate.
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Cypselae dark-brown, obovoid, not beaked, ribs 8–10 (3–5 stronger), stramineous, faces smooth or rugose between ribs, glabrous;
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