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Helianthus annuus L.
SUNFLOWER
Common sunflower

Life   Plantae   Dicotyledoneae   Asteraceae   Helianthus

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Helianthus annuus
© Copyright Bobby Hattaway 2011 · 5
Helianthus annuus
Helianthus annuus
© Copyright Bobby Hattaway 2011 · 5
Helianthus annuus

Helianthus annuus
© Copyright Bobby Hattaway 2011 · 5
Helianthus annuus
Helianthus annuus
© Copyright Bobby Hattaway 2011 · 5
Helianthus annuus

Helianthus annuus
© Copyright Mel Harte 2010 · 3
Helianthus annuus
Helianthus annuus
© Copyright Mel Harte 2010 · 3
Helianthus annuus

Helianthus annuus
© Copyright Mel Harte 2010 · 3
Helianthus annuus
Helianthus annuus
© Copyright Mel Harte 2010 · 3
Helianthus annuus

Helianthus annuus
© Copyright Mel Harte 2010 · 3
Helianthus annuus
Helianthus annuus
© Copyright Mel Harte 2010 · 3
Helianthus annuus

Helianthus annuus
© Copyright Mel Harte 2010 · 3
Helianthus annuus
Helianthus annuus
© Copyright Mel Harte 2010 · 3
Helianthus annuus

Helianthus annuus
© Copyright Mel Harte 2010 · 3
Helianthus annuus
Helianthus annuus
© Copyright Mel Harte 2010 · 3
Helianthus annuus

Associates · map
FamilyScientific name @ source (records)
Agaricaceae  Phoma herbarum @ BPI (3)
Agromyzidae  Melanagromyza @ UCRC_ENT (5)
Albuginaceae  Albugo tragopogonis @ BPI (1)
Aleyrodidae  Bemisia tabaci @ CSCA_TCN (3)

Trialeurodes abutiloneus @ CSCA_TCN (1)
Andrenidae  Andrena accepta @ UCRC_ENT (7); I_JSA (4); BBSL (4)

Andrena chromotricha @ AMNH_BEE (1)

Andrena commoda @ CUIC_ENT (2)

Andrena haynesi @ BBSL (5); UCRC_ENT (2)

Andrena helianthi @ UCMS_ENT (1); UCRC_ENT (1); AMNH_BEE (41); BBSL (25)

Andrena imitatrix @ RUAC_ENT (2)

Calliopsis chlorops @ UCRC_ENT (1)

Calliopsis scutellaris @ BBSL (1)

Panurginus phaceliae @ UCRC_ENT (1)

Perdita albipennis @ BBSL (26); UCRC_ENT (1)

Perdita bequaerti @ UCRC_ENT (1)

Perdita bruneri @ AMNH_BEE (1)

Perdita gerhardi @ BBSL (1)

Perdita lingualis @ BBSL (11); UCRC_ENT (21)

Perdita nigroviridis @ UCRC_ENT (2)

Perdita verbesinae @ UCRC_ENT (10); BBSL (2)

Protandrena albitarsis @ BBSL (2)

Protandrena innuptus @ BBSL (2)

Protandrena irregularis @ BBSL (14)

Protandrena perlaevis @ BBSL (22)

Protandrena verbesinae @ BBSL (1)

Pseudopanurgus aethiops @ BBSL (36); I_JSA (2)

Pseudopanurgus albitarsis @ I_JDZ (2)

Pseudopanurgus simulans @ AMNH_BEE (10)
Anthocoridae  Xylocoris galactinus @ NCSU_ENT (1)
Aphelinidae  Aphelinus @ UCRC_ENT (2)
Aphididae  Aphis ( @ CSUC_TCN (7); NCSU_ENT (34); CSCA_TCN (14)

Brachycaudus ( @ CSCA_TCN (1)

Hyalopterus pruni @ CSCA_TCN (2)

Illinoia ( @ CSCA_TCN (1)

Macrosiphum ( @ CSCA_TCN (1); NCSU (1)

Rhopalosiphum solani @ CSUC_TCN (1)

Uroleucon ( @ NCSU (6); AMNH_PBI (7)
Apidae  Anthophora albata @ BBSL (8)

Anthophora californica @ AMNH_BEE (1)

Anthophora curta @ BBSL (1)

Anthophora urbana @ BBSL (7)

Anthophorula compactula @ AMNH_BEE (1)

Anthophorula crenulata @ BBSL (1)

Anthophorula pygmaea @ BBSL (1)

Apis mellifera @ UCMS_ENT (2); BBSL (4)

Bombus appositus @ BBSL (3)

Bombus californicus @ EMEC (4); UCRC_ENT (2)

Bombus centralis @ BBSL__JPS (1)

Bombus crotchii @ AMNH_BEE (2); UCRC_ENT (3); EMEC (1); LACM_ENTB (4)

Bombus fervidus @ AMNH_BEE (2); BMEC_ENT (4); EMEC (10); BBSL (3)

Bombus griseocollis @ AMNH_BEE (8); BMEC_ENT (1)

Bombus huntii @ BBSL__JPS (5); BBSL (2)

Bombus morrisoni @ BMEC_ENT (11); BBSL (8); EMEC (62); BBSL__JPS (2)

Bombus pensylvanicus @ EMEC (301); UCRC_ENT (23); CSCA (4)

Bombus rufocinctus @ BBSL__JPS (1); AMNH_BEE (4)

Bombus sonorus @ BBSL (7); BMEC_ENT (1)

Bombus ternarius @ AMNH_BEE (3)

Bombus terrestris @ UCRC_ENT (1)

Bombus vagans @ AMNH_BEE (3)

Bombus vosnesenskii @ CSCA (1)

Diadasia consociata @ UCRC_ENT (1)

Diadasia enavata @ BBSL (28); CSCA (2); UCRC_ENT (58); AMNH_BEE (34)

Diadasia megamorpha @ UCRC_ENT (1)

Diadasia opuntiae @ UCRC_ENT (1)

Diadasia rinconis @ UCRC_ENT (5)

Ericrocis lata @ BBSL (1)

Exomalopsis solani @ BBSL (1)

Melissodes agilis @ I_JSA (1); AMNH_BEE (27); BBSL (50)

Melissodes appressa @ BBSL (2)

Melissodes bidentis @ AMNH_BEE (1)

Melissodes gelida @ AMNH_BEE (1)

Melissodes opuntiella @ AMNH_BEE (2)

Melissodes robustior @ AMNH_BEE (1); BBSL (1)

Melissodes semilupina @ BBSL (2)

Melissodes snowii @ BBSL (10)

Melissodes submenuacha @ BBSL (1)

Melissodes tepaneca @ AMNH_BEE (1)

Melissodes utahensis @ BBSL (8)

Melissodes verbesinarum @ BBSL (2)

Nomada adducta @ AMNH_BEE (3); BBSL (1)

Nomada snowii @ BBSL (1)

Nomada texana @ BBSL (1)

Nomada utahensis @ BBSL (39)

Nomada vincta @ BBSL (4)

Svastra helianthelli @ BBSL (6)

Svastra machaerantherae @ BBSL (8)

Svastra obliqua @ BBSL (19); I_JSA (1)

Syntrichalonia exquisita @ BBSL (1)

Triepeolus concavus @ BBSL (1); I_JSA (3)

Triepeolus eldredi @ BBSL (1)

Triepeolus helianthi @ BBSL (8)

Triepeolus kathrynae @ BBSL (1)

Triepeolus trichopygus @ BBSL (1)
Botryosphaeriaceae  Macrophoma helianthi @ BPI (1)
Chaetomiaceae  Chaetomium reflexum @ BPI (1)
Chrysomelidae  Diabrotica undecimpunctata @ I_LKD (1)
Cicadellidae  Empoasca ( @ UCR_ENT (3)

Gyponana ( @ UCR_ENT (2)

Texananus ( @ UCR_ENT (1)
Cixiidae  Melanoliarus zyxus @ UCR_ENT (4)
Coccinellidae  Coccinella septempunctata @ I_LB (1)

Hippodamia convergens @ I_LB (7)
Colletidae  Colletes gypsicolens @ BBSL (7)
Coreidae  Leptoglossus phyllopus @ NCSU (1)
Davidiellaceae  Cladosporium atrum @ BPI (1)
Delphacidae  Stobaera tricarinata @ UDCC_TCN (1)
Dermateaceae  Cylindrosporium chrysanthemi @ BPI (1)

Mollisia fuscorubra @ BPI (1)

Mollisia lilacina @ BPI (2)

Pyrenopeziza fusco-rubra @ BPI (1)
Diaporthaceae  Diaporthe orthoceras @ BPI (1)
Entylomataceae  Entyloma polysporum @ BPI (1)
Erysiphaceae  Erysiphe cichoracearum @ BPI (28)

Sphaerotheca humuli @ BPI (2)
Flatidae  Cyarda @ UDCC_TCN (1)
Geocoridae  Geocoris pallens @ UCR_ENT (42)

Geocoris punctipes @ UCR_ENT (11)
Halictidae  Agapostemon angelicus @ BBSL (6)

Agapostemon femoratus @ BBSL (1)

Agapostemon melliventris @ BBSL (29); AMNH_BEE (3)

Agapostemon texanus @ BBSL (1)

Agapostemon tyleri @ BBSL (4)

Agapostemon virescens @ BBSL (3)

Dieunomia heteropoda @ UCRC_ENT (8); BBSL (7)

Dieunomia nevadensis @ BBSL (1)

Dieunomia triangulifera @ BBSL (19)

Dufourea marginata @ BBSL (55)

Halictus ligatus @ BBSL (25); AMNH_BEE (13)

Halictus tripartitus @ BBSL (2)

Lasioglossum clematisellum @ BBSL (2)

Lasioglossum hudsoniellum @ BBSL (1)

Lasioglossum incompletum @ BBSL (1)

Lasioglossum oleosus @ BBSL (2)

Lasioglossum sp_metallic @ UCMS_ENT (1)

Lasioglossum tegulariforme @ BBSL (1)
Largidae  Largus cinctus @ UCR_ENT (4)
Lygaeidae  Nysius raphanus @ UCR_ENT (2)
Megachilidae  Coelioxys octodentata @ BBSL (1)

Coelioxys rufitarsis @ BBSL (2); AMNH_BEE (1)

Dianthidium curvatum @ UCRC_ENT (1); BBSL (7)

Dianthidium subparvum @ BBSL (3)

Heriades carinatus @ BBSL (1)

Megachile adelphodonta @ BBSL (4)

Megachile agustini @ BBSL (2); UCRC_ENT (4)

Megachile brevis @ BBSL (3); UCRC_ENT (1)

Megachile centuncularis @ AMNH_BEE (1)

Megachile dentitarsus @ BBSL (1)

Megachile discorhina @ UCRC_ENT (1)

Megachile fortis @ UCRC_ENT (1)

Megachile gentilis @ UCRC_ENT (1)

Megachile hookeri @ BBSL (1)

Megachile inimica @ UCRC_ENT (1)

Megachile latimanus @ AMNH_BEE (7)

Megachile manifesta @ BBSL (1)

Megachile montivaga @ UCRC_ENT (6); AMNH_BEE (1); BBSL (4)

Megachile nevadensis @ BBSL (1)

Megachile parallela @ AMNH_BEE (12); UCRC_ENT (4); BBSL (31)

Megachile perihirta @ UCRC_ENT (5)

Megachile petulans @ RUAC_ENT (1)

Megachile policaris @ BBSL (1); UCRC_ENT (3)

Megachile rossi @ BBSL (1)

Megachile soledadensis @ AMNH_BEE (1)

Megachile texana @ UCRC_ENT (1)

Osmia subaustralis @ BBSL (1)

Paranthidium jugatorium @ UCRC_ENT (1)

Stelis perpulchra @ BBSL (1); BBSL__DAVIS (1)

Trachusa cordaticeps @ BBSL (1)

Trachusa occidentalis @ BBSL (3)

Trachusa zebrata @ BBSL (3)
Melittidae  Hesperapis carinata @ BBSL (15)

Hesperapis rhodocerata @ UCRC_ENT (1)

Hesperapis wilmattae @ UCRC_ENT (1)
Membracidae  Entylia carinata @ UDCC_TCN (8); NCSU (1)

Tortistilus albidosparsus @ UCR_ENT (24)

Vanduzea segmentata @ UCR_ENT (6)
Miridae  Calocoris @ AMNH_ENT (1)

Chlamydatus associatus @ UCR_ENT (8)

Lygus elisus @ AMNH_IZC (1); UCR_ENT (7)

Lygus hesperus @ UCR_ENT (32)

Reuteroscopus unknown @ AMNH_PBI (1)
Mucoraceae  Rhizopus nigricans @ BPI (1)
Mycosphaerellaceae  Cercospora helianthicola @ BPI (1)

Cercospora pachypus @ BPI (5)

Heterosporium saccardoi @ BPI (1)

Septoria helianthi @ BPI (32)
Nymphalidae  Danaus gilippus @ I_JSA (1)
Pentatomidae  Brochymena parva @ AMNH_IZC (1)

Chlorochroa ligata @ UCR_ENT (1)

Chlorochroa sayi @ UCR_ENT (3)

Murgantia histrionica @ UCR_ENT (14)

Perillus bioculatus @ UCR_ENT (1)
Peronosporaceae  Plasmopara halstedii @ BPI (23)
Pezizaceae  Peziza fuscorubra @ BPI (1)
Phaeosphaeriaceae  Ophiobolus fulgidus @ BPI (6)

Ophiobolus porphyrogonus @ BPI (1)
Phyllachoraceae  Phyllachora effusa @ BPI (1)
Pleomassariaceae  Helminthosporium @ BPI (1)
Pleosporaceae  Alternaria helianthi @ BPI (2)

Alternaria helianthinficiens @ BPI (1)

Alternaria heliophytonis @ BPI (1)

Alternaria roseogrisea @ BPI (1)

Alternaria tenuis @ 446963A (1); 446963B (1)

Epicoccum vulgare @ BPI (1)
Polyporaceae  Poria confusa @ BPI (1)
Pseudococcidae  Phenacoccus solani @ CSCA_TCN (3)

Rhizoecus californicus @ CSCA_TCN (1)
Pucciniaceae  Puccinia discoidearum @ BPI (3)

Puccinia enceliae @ BPI (1)

Puccinia extensicola @ BPI (1)

Puccinia helianthi-mollis @ BPI (15)

Puccinia helianthi @ BPI (418); 073196B (1); 073196A (1)

Puccinia tanaceti @ BPI (34)
Pythiaceae  Pythium debaryanum @ BPI (1)
Reduviidae  Apiomerus spissipes @ AMNH_PBI (3)

Phymata americana @ UCR_ENT (2)

Phymata @ AMNH_PBI (1)

Sinea anacantha @ AMNH_PBI (3)

Sinea complexa @ AMNH_PBI (1)

Sinea confusa @ AMNH_PBI (1)

Sinea diadema @ AMNH_PBI (8)

Zelus renardii @ AMNH_PBI (1)
Sclerotiniaceae  Botrytis cinerea @ BPI (1)

Sclerotinia perplexa @ BPI (1)

Sclerotinia sclerotiorum @ BPI (4)

Sclerotinia @ BPI (1)
Thyreocoridae  Galgupha loboprostethia @ NCSU (3)
Tingidae  Corythucha cydoniae @ MEMU_ENT (3)

Corythucha marmorata @ MEMU_ENT (3)

Corythucha morrilli @ UCR_ENT (1)

Gargaphia solani @ NCSU (3)
Tricholomataceae  Helotium scutula @ BPI (1)
Typhulaceae  Sclerotium bataticola @ BPI (1)

Sclerotium compactum @ BPI (2)
Ulidiidae  Physiphora demandata @ UCRC_ENT (1)
Uropyxidaceae  Aecidium compositarum @ BPI (2)
Valsaceae  Diplodina helianthi @ BPI (1)
_  07-27-2012Image 086 @ I_SUR (1)

Eucarazzia elegans @ CSCA_TCN (1)

Macrophomina phaseoli @ 359714A (1)

Macrophomina phaseolina @ 359714B (1); BPI (43)

Sporidesmium @ BPI (1)

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Helianthus annuus  L.

Sunflower

Helianthus annuus plant

Family - Asteraceae

Stems - No info. yet.

Helianthus annuus stem

Leaves - No info. yet.

Helianthus annuus leaf Lower leaf.

Helianthus annuus leaves Upper leaves.

Inflorescence - No info. yet.

Involucre. - No info. yet.

Helianthus annuus involucre Involucre.

Ray flowers - No info. yet.

Disk flowers - No info. yet.

Helianthus annuus flowers

Flowering - July - November.

Habitat - Cultivated.

Origin - Native to U.S.

Other info. - The plant pictured above is one of the many cultivated varieties of H. annuus . These varieties range in size from shorter than a meter to over 2.5 meters. Many of the cultivated plants do not grow true from seed and will eventually revert back to the wild type plants over a few generations. To view the wild type plant click here .
The largest of these cultivated H. annuus get massive taproots that exceed 2.5m in length. The taller plants often need to be staked as the large flower heads weigh too much for the stem to support.
Cultivated sunflowers are the plants from which birdseed, sunflower oil, and our edible sunflower seeds arise. These cultivated plants do not readily escape in Missouri.
The lower-most leaves of the stem on this species are opposite but quickly become alternate for the rest of the stem length. Seedling plants have opposite leaves.

Photographs taken at the Peck Ranch Wildlife Refuge, Carter County, MO., 7-12-03.


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You are here: Home / Plant Profile

Helianthus annuus L.
common sunflower

Image of Helianthus annuus

General Information
Symbol: HEAN3
Group: Dicot
Family: Asteraceae
Duration: Annual
Growth Habit : Forb/herb
Native Status : AK   I
CAN   I
HI   I
L48   N
PR   I
SPM   I
Characteristics
Plant Guide (pdf) (doc)
Data Source and Documentation
About our new maps
Plants-NRCS Logos
green round image for nativity Native blue round image for introduced Introduced ocre round image for introduced and nativity Both white round image for no status Absent/Unreported
image for native, but no county data Native, No County Data image for introduced, but no county data Introduced, No County Data both introduced and native, but no county data Both, No County Data
Native Status:
lower 48 status L48    Alaska status AK    Hawaii status HI    Puerto Rico status PR    Virgin Islands status VI    Navassa Island NAV    Canada status CAN    Greenland status GL    Saint Pierre and Michelon status SPM    North America NA   

Images

click on a thumbnail to view an image, or see all the Helianthus thumbnails at the Plants Gallery

Robert H. Mohlenbrock. USDA SCS. 1991. Southern wetland flora: Field office guide to plant species . South National Technical Center, Fort Worth. Provided by USDA NRCS Wetland Science Institute (WSI). Usage Requirements .

©Thomas G. Barnes. Usage Requirements .

©Thomas G. Barnes. Usage Requirements .

©Thomas G. Barnes. Barnes, T.G., and S.W. Francis. 2004. Wildflowers and ferns of Kentucky . University Press of Kentucky. Usage Requirements .

Clarence A. Rechenthin. Provided by USDA NRCS East Texas PMC (ETPMC) . Usage Requirements .

©Gary A. Monroe. United States, NV, Washoe Co. August 17, 2003. Usage Requirements .

Steve Hurst. Provided by ARS Systematic Botany and Mycology Laboratory . United States, MN. Usage Requirements .

©Al Schneider. Southwest Colorado Wildflowers . United States, CO, NM, AZ, UT, Four Corners vicinity, within 150 miles of the corners. Usage Requirements .

©Al Schneider. Southwest Colorado Wildflowers . United States, CO, NM, AZ, UT, Four Corners vicinity, within 150 miles of the corners. Usage Requirements .

Patrick J. Alexander. Usage Requirements .

Patrick J. Alexander. Usage Requirements .

©Jeff McMillian. Provided by Almost Eden . United States, LA. Usage Requirements .

©Jeff McMillian. Provided by Almost Eden . United States, LA. Usage Requirements .

Margaret Williams. ©Nevada Native Plant Society. Provided by Nevada Native Plant Society . United States, CA. Usage Requirements .

Margaret Williams. ©Nevada Native Plant Society. Provided by Nevada Native Plant Society . United States, CA. Usage Requirements .

Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. 3 vols. Charles Scribner's Sons, New York. Vol. 3: 478. Provided by Kentucky Native Plant Society . Scanned by Omnitek Inc . Usage Requirements .

USDA NRCS. Wetland flora: Field office illustrated guide to plant species. USDA Natural Resources Conservation Service. Provided by NRCS National Wetland Team . Usage Requirements .

slideshow

Synonyms

Symbol Scientific Name
HEANJ Helianthus annuus L. ssp. jaegeri (Heiser) Heiser
HEANL Helianthus annuus L. ssp. lenticularis (Douglas ex Lindl.) Cockerell
HEANT Helianthus annuus L. ssp. texanus Heiser
HEANL2 Helianthus annuus L. var. lenticularis (Douglas ex Lindl.) Steyerm.
HEANM Helianthus annuus L. var. macrocarpus (DC.) Cockerell
HEANT2 Helianthus annuus L. var. texanus (Heiser) Shinners
HEAR14 Helianthus aridus Rydb.
HELE5 Helianthus lenticularis Douglas ex Lindl.

Classification

Click on a scientific name below to expand it in the PLANTS Classification Report.
Rank Scientific Name and Common Name
Kingdom Plantae – Plants
Subkingdom Tracheobionta – Vascular plants
Superdivision Spermatophyta – Seed plants
Division Magnoliophyta – Flowering plants
Class Magnoliopsida – Dicotyledons
Subclass Asteridae
Order Asterales
Family Asteraceae ⁄ Compositae – Aster family
Genus Helianthus L. – sunflower
Species Helianthus annuus L. – common sunflower

Subordinate Taxa

This plant has no children

Legal Status

Noxious Weed Information
This plant is listed by the U.S. federal government or a state. Common names are from state and federal lists. Click on a place name to get a complete noxious weed list for that location, or click here for a composite list of all Federal and State Noxious Weeds .
Iowa wild sunflower Secondary noxious weed
U.S. Weed Information
Helianthus annuus annual sunflower common sunflower sunflower wild sunflower This plant can be weedy or invasive according to the authoritative sources noted below.This plant may be known by one or more common names in different places, and some are listed above. Click on an acronym to view each weed list, or click here for a composite list of Weeds of the U.S.
STATE Assorted authors. State noxious weed lists for 46 states . State agriculture or natural resource departments.
NE&GP Stubbendieck, J., G.Y. Friisoe,and M.R. Bolick. 1994. Weeds of Nebraska and the Great Plains . Nebraska Department of Agriculture, Bureau of Plant Industry. Lincoln, Nebraska.
SWSS Southern Weed Science Society. 1998. Weeds of the United States and Canada. CD-ROM . Southern Weed Science Society. Champaign, Illinois.
WSWS Whitson, T.D. (ed.) et al.. 1996. Weeds of the West . Western Society of Weed Science in cooperation with Cooperative Extension Services, University of Wyoming. Laramie, Wyoming.

Wetland Status

Interpreting Wetland Status

Top Level Regions
Caribbean UPL
Hawaii UPL
North America
Alaska FAC
Arid West FACU
Atlantic and Gulf Coastal Plain FAC
Eastern Mountains and Piedmont FAC
Great Plains FACU
Midwest FACU
Northcentral & Northeast FACU
Western Mountains, Valleys, and Coast FACU

Related Links

More Accounts and Images
ARS Germplasm Resources Information Network (HEAN3)
CalPhotos (HEAN3)
Integrated Taxonomic Information System (HEAN3)
Integrated Taxonomic Information System (HEANJ)
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Jepson Interchange (University of California - Berkeley) (HEAN3)
Kemper Center for Home Gardening (HEAN3)
Lady Bird Johnson Wildflower Center Native Plant Information Network (HEAN3)
Native American Ethnobotany (University of Michigan - Dearborn) (HEAN3)
USF Atlas of Florida Vascular Plants (HEAN3)
University of Tennessee Herbarium (Distribution) (HEAN3)
University of Washington Burke Museum (HEAN3)
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Related Websites
BioMat Net (HEAN3)
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IN-Center for New Crops and Plant Products (Purdue) (HEAN3)
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UK-BBC Gardening (HEAN3)
WA-Central Washington Native Plants (HEAN3)
Wild Flowers of the Southeastern U.S. (HEAN3)
www.BorealForest.org (HEAN3)
www.WildflowerInformation.org (HEAN3)

Wildlife

Food

Source Large Mammals Small Mammals Water Birds Terrestrial Birds
Everitt Low Low
Yarrow Low Low Low

Cover

Source Large Mammals Small Mammals Water Birds Terrestrial Birds
Everitt
Yarrow

Sources

Everitt, J.H., D.L. Drawe, and R.I. Lonard. 1999. Field guide to the broad leaved herbaceous plants of South Texas used by livestock and wildlife . Texas Tech University Press. Lubbock.
Yarrow, G.K., and D.T. Yarrow. 1999. Managing wildlife . Sweet Water Press. Birmingham.

Description of Values

Value Class Food Cover
High Average 25-50% of diet Regular source of cover
Low 5-10% of diet Infrequently used as cover
Minor 2-5% of diet Sparsely used as cover
Moderate Average 10-25% of diet Occasional source of cover


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FNA Vol. 21 Page 142, 145, 148 , 149 , 150, 153, 154, 1 Login | eFloras Home | Help
FNA | Family List | FNA Vol. 21 | Asteraceae | Helianthus

3. Helianthus annuus Linnaeus, Sp. Pl. 2: 904. 1753.

Common sunflower

Helianthus annuus subsp. jaegeri (Heiser) Heiser; H. annuus subsp. lenticularis (Douglas ex Lindley) Cockerell; H. annuus var. lenticularis (Douglas ex Lindley) Steyermark; H. annuus var. macrocarpus (de Candolle) Cockerell; H. annuus subsp. texanus Heiser; H. aridus Rydberg; H. jaegeri Heiser; H. lenticularis Douglas ex Lindley; H. macrocarpus de Candolle

Annuals, 100—300 cm. Stems erect, usually hispid. Leaves mostly cauline; mostly alternate; petioles 2—20 cm; blades lance-ovate to ovate, 10—40 × 5—40 cm, bases cuneate to subcordate or cordate, margins serrate, abaxial faces usually ± hispid, sometimes gland-dotted . Heads 1—9. Peduncles 2—20 cm. Involucres hemispheric or broader, 15—40(—200+) mm diam. Phyllaries 20—30(—100+), ovate to lance-ovate, 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 gland-dotted. 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. 2 n = 34.

Flowering summer—fall. Open areas; 0—3000 m; St. Pierre and Miquelon; Alta., B.C., Man., N.B., N.W.T., N.S., Ont ., P.E.I., Que., Sask.; Ala., Ariz., Ark., Calif., Colo., Conn., Del., D.C., Fla., Ga., Idaho, Ill., Ind., Iowa, Kans., Ky., La., Maine, Md., Mass., Mich., Minn., Miss., Mo., Mont., Nebr., Nev., N.H., N.J., N.Mex., N.Y., N.C., N.Dak., Ohio, Okla., Oreg., Pa., R.I., S.C., S.Dak., Tenn., Tex., Utah, Vt., Va., Wash., W.Va., Wis., Wyo.; Mexico; intoduced nearly worldwide.

Helianthus annuus is widely distributed, including weedy, cultivated, and escaped plants. It is the only native North American species to become a major agronomic crop. Despite its considerable variability, attempts have failed to produce a widely adopted infraspecific system of classification. Forms with red-colored ray laminae, known from cultivation and occasionally seen escaped, trace their ancestry to a single original mutant plant. It hybridizes with many of the other annual species.

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http://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Helianthus+annuus&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant ---> https://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Helianthus+annuus&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant

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Number of matches : 112
Query: SELECT * FROM img WHERE ready=1 and taxon like "Helianthus annuus%" and (lifeform != "specimen_tag" OR lifeform != "Plant") ORDER BY taxon

Click on the thumbnail to see an enlargement

Helianthus annuus
Helianthus annuus
Common Sunflower
ID: 0000 0000 1003 0585 [detail]
© 2003 Joseph Dougherty/ecology.org

Helianthus annuus
Helianthus annuus
Sunflower
ID: 8120 3181 4574 0088 [detail]
Charles Webber
© 1998 California Academy of Sciences

Helianthus annuus
Helianthus annuus
Sunflower
ID: 7269 3192 0001 0011 [detail]
1999 Larry Blakely

Helianthus annuus
Helianthus annuus
Sunflower
ID: 7269 3192 0001 0010 [detail]
1999 Larry Blakely

Helianthus annuus
Helianthus annuus
Common Sunflower
ID: 0000 0000 1003 0466 [detail]
© 2003 Joseph Dougherty/ecology.org

Helianthus annuus
Helianthus annuus
Sunflower
ID: 8120 3181 4902 0053 [detail]
Charles Webber
© 1998 California Academy of Sciences

Helianthus annuus
Helianthus annuus
Common Sunflower
ID: 8253 3202 4138 0059 [detail]
J. E.(Jed) and Bonnie McClellan
© 1999 California Academy of Sciences

Helianthus annuus
Helianthus annuus
Common Sunflower
ID: 8253 3202 4138 0058 [detail]
J. E.(Jed) and Bonnie McClellan
© 1999 California Academy of Sciences

Helianthus annuus
Helianthus annuus
Sunflower
ID: 8076 3101 3985 0046 [detail]
Charles Webber
© 1998 California Academy of Sciences

Helianthus annuus
Helianthus annuus
Common Sunflower
ID: 0000 0000 0603 0357 [detail]
© 2003 George W. Hartwell

Helianthus annuus
Helianthus annuus
Hairy-leaved Sunflower
ID: 0000 0000 0802 0349 [detail]
© 2002 Tony Morosco

Helianthus annuus
Helianthus annuus
Common Sunflower
ID: 0000 0000 1003 0468 [detail]
© 2003 Joseph Dougherty/ecology.org

Helianthus annuus
Helianthus annuus
Common Sunflower
ID: 0000 0000 1003 0582 [detail]
© 2003 Joseph Dougherty/ecology.org

Helianthus annuus
Helianthus annuus
Common Sunflower
ID: 0000 0000 0603 0358 [detail]
© 2003 George W. Hartwell

Helianthus annuus
Helianthus annuus
Hairy-leaved Sunflower
ID: 0000 0000 0802 0350 [detail]
© 2002 Tony Morosco

Helianthus annuus
Helianthus annuus
Common Sunflower
ID: 0000 0000 1003 0467 [detail]
© 2003 Joseph Dougherty/ecology.org

Helianthus annuus
Helianthus annuus
Common Sunflower
ID: 0000 0000 1003 0583 [detail]
© 2003 Joseph Dougherty/ecology.org

Helianthus annuus
Helianthus annuus
Common Sunflower
ID: 0000 0000 1003 0584 [detail]
© 2003 Joseph Dougherty/ecology.org

Helianthus annuus
Helianthus annuus
Common Sunflower
ID: 0000 0000 1103 0479 [detail]
© 2003 Joseph Dougherty/ecology.org

Helianthus annuus
Helianthus annuus
Common Sunflower
ID: 0000 0000 1103 0480 [detail]
© 2003 Joseph Dougherty/ecology.org

Helianthus annuus
Helianthus annuus
Common Sunflower
ID: 0000 0000 0604 0335 [detail]
2004 Nick Kurzenko

Helianthus annuus
Helianthus annuus
Common Sunflower
ID: 0000 0000 0604 0336 [detail]
2004 Nick Kurzenko

Helianthus annuus
Helianthus annuus
Common Sunflower
ID: 0000 0000 0604 0337 [detail]
2004 Nick Kurzenko

Helianthus annuus
Helianthus annuus
Mammoth Sunflower
ID: 0000 0000 0705 0028 [detail]
© 2005 Tom Greer tbphotos@comcast.net

Using these photos: A variety of organizations and individuals have contributed photographs to CalPhotos. Please follow the usage guidelines provided with each image. Use and copyright information, as well as other details about the photo such as the date and the location, are available by clicking on the [detail] link under the thumbnail. See also: Using the Photos in CalPhotos .   


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