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Asteraceae » Coreopsis tinctoria
Origin: Native
Voucher:WTU (view specimen records)
Notes: Kz99 has auth. as Parker ex E.B. Sm., Chambers and Sundberg (2000) do not.
FNA21:"Coreopsis tinctoria is widely grown in public and residential gardens, and commercially (for cut flowers), and has become widely established in the flora area.
As here circumscribed, Coreopsis tinctoria includes plants that others (without agreement among themselves) have treated as distinct species or infraspecific taxa: C. atkinsoniana (plants mostly 50–150+ cm, seldom branched from bases; cypselae 2.5–3 mm, "narrowly" winged; pappi 0.1–0.2 mm; mostly Idaho, Montana, Oregon, Washington), C. cardaminefolia (plants mostly 20–50 cm, seldom branched at bases; cypselae 2 mm, "narrowly to widely" winged; pappi 0 or 0.1–0.2 mm; mostly Arkansas, Kansas, Louisiana, Nebraska, Oklahoma, Texas), and C. tinctoria var. similis (plants mostly 10–30 cm, usually branched from bases; cypselae 2–3 mm, "widely" winged; pappi 0.2–1 mm; Texas and Mexico)."
Literature:
(none)
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Photo © Clayton J. Antieau
(from WTU Image Collection)
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Taxon treatment authored by David Giblin; last updated 2/27/2008 by David Giblin
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| Coreopsis atkinsoniana Douglas ex Lindl.
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| Coreopsis tinctoria Nutt. var. atkinsoniana (Douglas ex Lindl.) H.M. Parker » Smith, E.B. 1975. The chromosome numbers of North American Coreopsis with phyletic implications. Bot. Gaz. 136: 78-86.
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| Coreopsis tinctoria Nutt. var. tinctoria
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