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www.hort.purdue.edu/newcrop/afcm/sunflower.html
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Sunflower (Helianthus annuus L.) is one of the few crop species that originated in North America (most originated in the fertile crescent, Asia or South or Central ...
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Descriptions, images, videos and more about common sunflower Helianthus annuus in the Encyclopedia ... Helianthus annuus Trusted ... Helianthus annuus L.
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sdrsnet.srnr.arizona.edu/data/sdrs/ww/docs/heliannu.pdf
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USGS Weeds in the West project: Status of Introduced Plants in Southern Arizona Parks. Factsheet for: Helianthus annuus L. William L. Halvorson, Principal ...
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www.ars-grin.gov/cgi-bin/npgs/html/taxon.pl?27923
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May 9, 2011 ... ***Please tell us why you value GRIN Taxonomy***. Taxon: Helianthus annuus L. Genus: Helianthus Family: Asteraceae (alt. Compositae) ...
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www.missouriplants.com/Yellowalt/Helianthus_annuus_spec...
www.missouriplants.com/Yellowalt/Helianthus_annuus_species_page.html
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Helianthus annuus L. - Common Sunflower. Helianthus annuus plant. Family - Asteraceae. Stems - No info. yet. Helianthus annuus stem. Leaves - No info. yet.
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www.wildflower.org/plants/result.php?id_plant=HEAN3
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Apr 6, 2011 ... Helianthus annuus L. Common sunflower. Asteraceae (Aster Family). USDA Symbol: HEAN3. USDA Native Status: Native to U.S.. Common ...
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www.pnas.org/content/105/17/6232.full.pdf
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Apr 29, 2008 ... Sunflower (Helianthus annuus L.) as a pre-Columbian domesticate in Mexico. David L. Lentz*†, Mary DeLand Pohl‡, José Luis Alvarado§, ...
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jxb.oxfordjournals.org/content/45/12/1809.abstract
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The response of w-1, a wilty sunflower (Helianthus annuus L.) mutant, to water stress is described in comparison with the control line (W-1). Detached leaves of ...
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ace.cte.umt.edu/documents/sunflower.ppt
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Helianthus annuus L. History. Native to the Americas; Signs of early cultivation around 2000 BC. In Tennessee and San Anrés. The Incas used it as image of the ...
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