Helianthus annuus Linnaeus (Q2750)

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Helianthus annuus is a taxon with the rank species within the genus Helianthus
Language Label Description Also known as
English
Helianthus annuus Linnaeus
Helianthus annuus is a taxon with the rank species within the genus Helianthus

    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
    tournesol (French)
    hélianthe annuel (French)
    grand soleil (French)
    common sunflower (English)
    garden sunflower (English)
    Common sunflower (English)
    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.
    1 reference
    Moss, E.H. 1983. Flora of Alberta. 2nd edition, revised by J.G. Packer. University of Toronto Press, Toronto. 687 pp.
    1 reference
    Harms, V.L. 2006. Annotated catalogue of Saskatchewan vascular plants. http://www.biodiversity.sk.ca/Docs/AnnotatedCatalogueSKVascPlants2006.pdf
    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.
    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.
    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.
    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.
    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
    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
    1 reference
    Etcheberry, R. 1989. Plantes de Saint-Pierre et Miquelon. Unpublished list (MT).
    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
    St. Pierre and Miquelon
    Mexico
    intoduced nearly worldwide
    Flowering summer–fall.
    Stems erect, usually hispid.
    Leaves mostly cauline;
    petioles 2–20 cm;
    blades lanceovate to ovate, 10–40 × 5–40 cm, bases cuneate to subcordate or cordate, margins serrate, abaxial faces usually ± hispid, sometimes glanddotted.
    Peduncles 2–20 cm.
    Involucres hemispheric or broader, 15–40 (–200+) mm diam.
    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.
    Paleae 9–11 mm, 3-toothed (middle teeth long-acuminate, glabrous or hispid).
    Ray-florets (13–) 17–30 (–100+);
    laminae 25–50 mm.
    Disc-florets 150+ (–1000+);
    corollas 5–8 mm (throats ± bulbous at bases), lobes usually reddish, sometimes yellow;
    anthers brownish to black, appendages yellow or dark (style-branches yellow).
    Cypselae (3–) 4–5 (–15) mm, glabrate;
    pappi of 2 lanceolate scales 2–3.5 mm plus 0–4 obtuse scales 0.5–1 mm. 2n = 34.