Helianthus annuus Linnaeus (Q2750)
Helianthus annuus is a taxon with the rank species within the genus Helianthus
| Language | Label | Description | Also known as |
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| English |
Helianthus annuus Linnaeus
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Helianthus annuus is a taxon with the rank species within the genus Helianthus
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Statements
taxon/id/Helianthus annuus Linnaeus
0 references
Helianthus annuus Linnaeus
Helianthus annuus
Linnaeus
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
1 reference
CA-BC
present
introduced
1 reference
Douglas, G.W., G.B. Straley, D.V. Meidinger & J. Pojar. 1998. Illustrated Flora of British Columbia. B.C. Ministry of Environment, Lands & Parks and B.C. Ministry of Forests. Victoria. Crown Publications. 8 vols.
CA-AB
present
introduced
1 reference
Moss, E.H. 1983. Flora of Alberta. 2nd edition, revised by J.G. Packer. University of Toronto Press, Toronto. 687 pp.
CA-SK
present
introduced
1 reference
Harms, V.L. 2006. Annotated catalogue of Saskatchewan vascular plants. http://www.biodiversity.sk.ca/Docs/AnnotatedCatalogueSKVascPlants2006.pdf
CA-MB
present
introduced
1 reference
Manitoba Checklist, 2002
CA-ON
present
introduced
1 reference
Newmaster, S.G., A. Lehela, M.J. Oldham, P.W.C. Uhlig & S. McMurray. 1998. Ontario Plant List. Ontario Forest Research Institute, Sault Ste. Marie, Ontario. Forest Information Paper No. 123. 550 pp.
CA-QC
present
introduced
1 reference
Marie-Victorin, Fr. 1995. Flore laurentienne. 3e éd. Mise à jour et annotée par L. Brouillet, S.G. Hay, I. Goulet, M. Blondeau, J. Cayouette et J. Labrecque. Gaétan Morin éditeur. 1093 pp.
CA-NB
present
introduced
1 reference
Hinds, H.R. 2000. Flora of New Brunswick : a manual for the identification of the vascular plants of New Brunswick. 2nd edition. Biology Department, University of New Brunswick, Fredericton. 699 pp.
CA-PE
1 reference
Catling, P.M., D.S. Erskine & R.B. MacLaren. 1985. The Plants of Prince Edward Island with new records, nomenclatural changes, and corrections and deletions. Agriculture Canada, Research Branch, Ottawa. Publication 1798. 272 pp.
CA-NS
present
introduced
1 reference
Zinck, M. 1998. Roland's Flora of Nova Scotia. Nimber Publishing & Nova Scotia Museum. Halifax, N. S. 2 vols. 1297 pp.
Newfoundland, CA
excluded
1 reference
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
FR-PM
irregular
introduced
1 reference
Etcheberry, R. 1989. Plantes de Saint-Pierre et Miquelon. Unpublished list (MT).
CA-NT
1 reference
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. http://www.efloras.org/volume_page.aspx?volume_id=1021&flora_id=1
CA-AB
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CA-BC
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CA-MB
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CA-NB
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CA-NT
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CA-NS
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CA-ON
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CA-PE
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CA-QC
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CA-SK
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US-AL
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US-AZ
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US-AR
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US-CA
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US-CO
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US-CT
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US-DE
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US-DC
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US-FL
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US-GA
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US-ID
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US-IL
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US-IN
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US-IA
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US-KS
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US-KY
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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-MN
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US-MS
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US-MO
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US-MT
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US-NE
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US-NV
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US-NH
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US-NJ
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US-NM
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US-NY
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US-NC
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US-ND
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US-OH
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US-OK
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US-OR
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US-PA
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US-RI
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US-SC
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US-SD
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US-TN
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US-TX
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US-UT
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US-VT
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US-VA
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US-WA
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US-WV
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US-WI
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US-WY
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Stems erect, usually hispid.
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Leaves mostly cauline;
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blades lanceovate to ovate, 10–40 × 5–40 cm, bases cuneate to subcordate or cordate, margins serrate, abaxial faces usually ± hispid, sometimes glanddotted.
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Peduncles 2–20 cm.
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Involucres hemispheric or broader, 15–40 (–200+) mm diam.
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Phyllaries 20–30 (–100+), ovate to lanceovate, 13–25 × (3–) 5–8 mm, (margins usually ciliate) apices abruptly narrowed, long-acuminate, abaxial faces usually hirsute to hispid, rarely glabrate or glabrous, usually glanddotted.
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Paleae 9–11 mm, 3-toothed (middle teeth long-acuminate, glabrous or hispid).
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Ray-florets (13–) 17–30 (–100+);
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laminae 25–50 mm.
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Disc-florets 150+ (–1000+);
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corollas 5–8 mm (throats ± bulbous at bases), lobes usually reddish, sometimes yellow;
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anthers brownish to black, appendages yellow or dark (style-branches yellow).
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Cypselae (3–) 4–5 (–15) mm, glabrate;
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pappi of 2 lanceolate scales 2–3.5 mm plus 0–4 obtuse scales 0.5–1 mm. 2n = 34.
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usually hirsute
hispid rarely glabrate or glabrous
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usually hirsute
hispid rarely glabrate or glabrous
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