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Helianthus giganteus L.
GIANT SUNFLOWER
Life   Plantae   Dicotyledoneae   Asteraceae   Helianthus

Helianthus giganteus, Tall Sunflower
© Copyright Sheryl Pollock 2011 · 9
Helianthus giganteus, Tall Sunflower

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Helianthus giganteus, Tall Sunflower
© Copyright Sheryl Pollock 2011 · 8
Helianthus giganteus, Tall Sunflower
Helianthus giganteus, Tall Sunflower
© Copyright Sheryl Pollock 2011 · 1
Helianthus giganteus, Tall Sunflower

Associates · map
FamilyScientific name @ source (records)
Andrenidae  Perdita bequaerti @ AMNH_BEE (3)
Aphididae  Prociphilus ( @ NCSU (1)

Uroleucon ( @ NCSU (29)
Halictidae  Halictus ligatus @ AMNH_BEE (1)

Lasioglossum zonulum @ AMNH_BEE (1)
_  Crepusia fuliginosa @ AMNH_IZC (29)

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Following modified from Delaware Wildflowers
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Delaware Wildflowers  •  Scientific names

Helianthus giganteus L. Tall Sunflower
Asteraceae — Aster family
Native
Helianthus giganteus
Nottingham County Park (PA)
September 2006 Helianthus giganteus
Stroud Preserve (PA)
September 2013

Guide to Helianthus of Delaware

More information on this plant, from other sources.


Copyright David G. Smith

Delaware Wildflowers main page

Following modified from Plants Database, United States Department of Agriculture
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http://plants.usda.gov/java/profile?symbol=HEGI ---> https://plants.usda.gov/java/profile?symbol=HEGI
https://plants.usda.gov/java/profile?symbol=HEGI ---> http://plants.usda.gov/core/profile?symbol=HEGI
http://plants.usda.gov/core/profile?symbol=HEGI ---> https://plants.usda.gov/core/profile?symbol=HEGI
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You are here: Home / Plant Profile

Helianthus giganteus L.
giant sunflower

Image of Helianthus giganteus

General Information
Symbol: HEGI
Group: Dicot
Family: Asteraceae
Duration: Perennial
Growth Habit : Forb/herb
Native Status : CAN   N
L48   N
Data Source and Documentation
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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

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

Tracey Slotta. Provided by ARS Systematic Botany and Mycology Laboratory . United Kingdom, England. 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: 481. Provided by Kentucky Native Plant Society . Scanned by Omnitek Inc . 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: 482. Provided by Kentucky Native Plant Society . Scanned by Omnitek Inc . Usage Requirements .

slideshow

Synonyms

Symbol Scientific Name
HEAL7 Helianthus alienus E.E. Watson
HEBO6 Helianthus borealis E.E. Watson
HEGIA Helianthus giganteus L. ssp. alienus (E.E. Watson) R.W. Long
HEGIS Helianthus giganteus L. var. subtuberosus Britton
HENUS Helianthus nuttallii Torr. & A. Gray var. subtuberosus (Britton) B. Boivin
HESU10 Helianthus subtuberosus (Britton) Britton
HEVA Helianthus validus E.E. Watson

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 giganteus L. – giant sunflower

Subordinate Taxa

This plant has no children

Legal Status

Threatened and Endangered 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 protected plant list for that location.
Illinois tall sunflower Endangered

Wetland Status

Interpreting Wetland Status

North America
Atlantic and Gulf Coastal Plain FACW
Eastern Mountains and Piedmont FACW
Great Plains FAC
Midwest FACW
Northcentral & Northeast FACW

Related Links

More Accounts and Images
ARS Germplasm Resources Information Network (HEGI)
Integrated Taxonomic Information System (HEAL7)
Integrated Taxonomic Information System (HEBO6)
Integrated Taxonomic Information System (HEGI)
Integrated Taxonomic Information System (HEGIA)
Integrated Taxonomic Information System (HEGIS)
Integrated Taxonomic Information System (HENUS)
Integrated Taxonomic Information System (HESU10)
Integrated Taxonomic Information System (HEVA)
Lady Bird Johnson Wildflower Center Native Plant Information Network (HEGI)
Native American Ethnobotany (University of Michigan - Dearborn) (HEGI)
University of Tennessee Herbarium (Distribution) (HEGI)
University of Wisconsin - Stevens Point Freckmann Herbarium (HEGI)

Wildlife

Food

Source Large Mammals Small Mammals Water Birds Terrestrial Birds

Cover

Source Large Mammals Small Mammals Water Birds Terrestrial Birds

Description of Values

Value Class Food Cover


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Following modified from Flora of North America
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Link to Flora of North America home
 
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FNA Vol. 21 Page 147, 163, 165 Login | eFloras Home | Help
FNA | Family List | FNA Vol. 21 | Asteraceae | Helianthus

41. Helianthus giganteus Linnaeus, Sp. Pl. 2: 905. 1753.

Giant or tall sunflower, hélianthe géant

Helianthus alienus E. Watson; H. validus E. Watson

Perennials , 100—400 cm (rhi-zomatous). Stems (usually reddish) erect, hairy. Leaves cauline; mostly alternate; petioles 0—1.2 cm (ciliate); blades (3-nerved from bases) lanceolate to lance-ovate, 7—20 × 1.2—3.5 cm, bases cuneate, margins serrulate to subentire (± flat), abaxial faces scabrous or ± hirsute, sometimes gland-dotted. Heads 1—12. Peduncles 8—12 mm. Involucres hemispheric, 10—24 mm diam. Phyllaries 20—25 (loose or spreading), linear, 8—15 × 1.2—2 mm, (margins usually ciliate) apices acute to attenuate , abaxial faces sparsely strigose, not gland-dotted. Paleae 7—9 mm, entire or ± 3-toothed (apices acute, hairy). Ray florets 12—20; laminae (often pale yellow) 15—25 mm (abaxial faces not gland-dotted). Disc florets 60+; corollas 5—6 mm, lobes yellow; anthers dark brown or black, appendages dark. Cypselae 3—4 mm, glabrate; pappi of 2 aristate scales 2.4—3 mm. 2 n = 34.

Flowering late summer—fall. Usually wet, open sites; 10—600+ m; N.B., Nfld. and Labr. (Nfld.), N.S., Ont., Que.; Conn., Del., D.C., Ga., Ill., Ind., Iowa, Kans., Ky., Maine, Md., Mass., Mich., Minn., Miss., N.J., N.Y., N.C., Ohio, Pa., S.C., Tenn., Vt., Va., W.Va., Wis.

Helianthus giganteus was probably introduced in Newfoundland. It intergrades with H. nuttallii and H. grosseserratus ; it is distinctive in its hairy, reddish-colored stems, dark anther appendages, and prominent setae on the petioles. The natural hybrid of H. giganteus with H. grosseserratus has been called H. luxurians E. Watson (R. W. Long 1954). Hybrids of H. giganteus with H. divaricatus have been referred to as H . ambiguus (Torrey & A. Gray) Britton and H . × divariserratus R. W. Long (Long 1954).

Following modified from CalPhotos
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CalPhotos     Photo Database

 

Number of matches : 24
Query: SELECT * FROM img WHERE ready=1 and taxon like "Helianthus giganteus%" and (lifeform != "specimen_tag" OR lifeform != "Plant") ORDER BY taxon

Click on the thumbnail to see an enlargement

Helianthus giganteus
Helianthus giganteus
Tall Sunflower
ID: 0000 0000 0906 0473 [detail]
© 2006 Matt Below

Helianthus giganteus
Helianthus giganteus
Giant Sunflower
ID: 3333 3333 1007 1304 [detail]
© University and Jepson Herbaria

Helianthus giganteus
Helianthus giganteus
Giant Sunflower
ID: 0000 1111 1234 1803 [detail]
© 2016 Keir Morse

Helianthus giganteus
Helianthus giganteus
Giant Sunflower
ID: 0000 1111 1234 1804 [detail]
© 2016 Keir Morse

Helianthus giganteus
Helianthus giganteus
Giant Sunflower
ID: 0000 1111 1234 1805 [detail]
© 2016 Keir Morse

Helianthus giganteus
Helianthus giganteus
Giant Sunflower
ID: 0000 1111 1234 1806 [detail]
© 2016 Keir Morse

Helianthus giganteus
Helianthus giganteus
Giant Sunflower
ID: 0000 1111 1234 1807 [detail]
© 2016 Keir Morse

Helianthus giganteus
Helianthus giganteus
Giant Sunflower
ID: 0000 1111 1234 1808 [detail]
© 2016 Keir Morse

Helianthus giganteus
Helianthus giganteus
Giant Sunflower
ID: 0000 1111 1234 1809 [detail]
© 2016 Keir Morse

Helianthus giganteus
Helianthus giganteus
Giant Sunflower
ID: 0000 1111 1234 1810 [detail]
© 2016 Keir Morse

Helianthus giganteus
Helianthus giganteus
Giant Sunflower
ID: 0000 1111 1234 1811 [detail]
© 2016 Keir Morse

Helianthus giganteus
Helianthus giganteus
Giant Sunflower
ID: 0000 1111 1234 1812 [detail]
© 2016 Keir Morse

Helianthus giganteus
Helianthus giganteus
Giant Sunflower
ID: 0000 1111 1234 1813 [detail]
© 2016 Keir Morse

Helianthus giganteus
Helianthus giganteus
Giant Sunflower
ID: 0000 1111 1234 1814 [detail]
© 2016 Keir Morse

Helianthus giganteus
Helianthus giganteus
Giant Sunflower
ID: 0000 1111 1234 1815 [detail]
© 2016 Keir Morse

Helianthus giganteus
Helianthus giganteus
Giant Sunflower
ID: 0000 1111 1234 1816 [detail]
© 2016 Keir Morse

Helianthus giganteus
Helianthus giganteus
Giant Sunflower
ID: 0000 1111 1234 1817 [detail]
© 2016 Keir Morse

Helianthus giganteus
Helianthus giganteus
Giant Sunflower
ID: 0000 1111 1234 1818 [detail]
© 2016 Keir Morse

Helianthus giganteus
Helianthus giganteus
Giant Sunflower
ID: 0000 1111 1234 1819 [detail]
© 2016 Keir Morse

Helianthus giganteus
Helianthus giganteus
Giant Sunflower
ID: 0000 1111 1234 1820 [detail]
© 2016 Keir Morse

Helianthus giganteus
Helianthus giganteus
Giant Sunflower
ID: 0000 1111 1234 1821 [detail]
© 2016 Keir Morse

Helianthus giganteus
Helianthus giganteus
Giant Sunflower
ID: 0000 1111 1234 1822 [detail]
© 2016 Keir Morse

Helianthus giganteus
Helianthus giganteus
Giant Sunflower
ID: 0000 1111 1234 1823 [detail]
© 2016 Keir Morse

Helianthus giganteus
Helianthus giganteus
Giant Sunflower
ID: 0000 1111 1234 1824 [detail]
© 2016 Keir Morse

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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