Euthamia caroliniana (Linnaeus) Greene ex Porter & Britton (Q2249)
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Euthamia caroliniana is a taxon with the rank species within the genus Euthamia
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| English |
Euthamia caroliniana (Linnaeus) Greene ex Porter & Britton
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Euthamia caroliniana is a taxon with the rank species within the genus Euthamia
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Statements
taxon/id/Euthamia caroliniana (Linnaeus) Greene ex Porter & Britton
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Euthamia caroliniana (Linnaeus) Greene ex Porter & Britton
Euthamia caroliniana
(Linnaeus) Greene ex Porter & Britton
FNA Editorial Committee. 2006. Flora of North America north of Mexico. Volume 20: Magnoliophyta: Asteridae, part 7: Asteraceae, part 2. Oxford University Press, New York.
accepted
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verge d'or à feuilles étroites (French)
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CA-ON
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Herbarium, University of Michigan (MICH). Specimen. http://herbarium.lsa.umich.edu/
CA-NS
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Zinck, M. 1998. Roland's Flora of Nova Scotia. Nimber Publishing & Nova Scotia Museum. Halifax, N. S. 2 vols. 1297 pp.
Newfoundland, CA
excluded
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Meades, S., S.G. Hay & L. Brouillet. 2000. Annotated Checklist of the Vascular Plants of Newfoundland and Labrador. Published in association with A Digital Flora of Newfoundland and Labrador Vascular Plants. http://www.digitalnaturalhistory.com/meades.htm (consulted 2009-09-02) http://www.digitalnaturalhistory.com/meades.htm
CA-NS
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US-AL
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US-CT
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US-DE
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US-FL
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US-GA
1 reference
US-IL
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US-IN
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US-LA
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US-ME
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US-MD
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US-MA
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US-MI
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US-MS
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US-NH
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US-NJ
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US-NY
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US-NC
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US-OH
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US-PA
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US-RI
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US-SC
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US-VA
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US-WV
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Stems (branched distal to midstems) glabrous or glabrate, not glaucous.
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Leaves deflexed to erect;
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blades 1–5-nerved, linear, 24–70 × 1–3 mm (to 6 mm wide in some Maine and Nova Scotia populations), lengths 7.7–42.2 times widths, abruptly reduced distally, lax to firm-herbaceous, apices obtuse to long-acuminate, faces abundantly and prominently gland-dotted (34–86 dots per mm2), glabrous, glabrate, or scabro-hirtellous on midnerves.
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Heads pedunculate or glomerulate, usually in flat-topped or rounded arrays 10–40% of plant heights (often with multiple layers, proximal branches 0.5–1 times array heights).
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Involucres campanulate to turbinate, 3–4.7 (–5.3) mm.
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Phyllaries usually green-tipped, outer ovate, inner oblong-linear, apices obtuse to acute.
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Ray-florets 7–17 (–25).
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Disc-florets 3–22;
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corollas 3.3–4.8 mm. 2n = 18.
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