Helianthus giganteus

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Distribution Map: Based on vouchered plant specimens only. View county names by placing the mouse cursor over a particular county.

Species Distribution Map
Family:ASTERACEAE
Species:Helianthus giganteus L.
Common Name:Giant Sunflower; Tall Sunflower
Habitat:**
Associated Ecological Communities:**
Growth Habit:Herb
Duration:Perennial
Category:Vascular
USDA Symbol:HEGI
Plant Notes:**
Taxonomic Notes:**
Status:Native, FACW (NWI), G5 (Global Rank)
References:**
Specimen: View specimen details in the Alabama Herbarium Consortium Specimen Database

** Not applicable or data not available.

Classification

FamilyASTERACEAE - Aster family
Genus Helianthus
Species Helianthus giganteus L. - Giant Sunflower; Tall Sunflower

Citation

Citation Helianthus giganteus Linnaeus, Sp. Pl. 2: 905–906. 1753.
Basionym: **
Type: USA: VIRGINIA: Without data, Clayton 109 (holotype: BM), Reveal in Jarvis & Turland (ed.), Taxon 47 : 362. 1998.

** Not applicable or data not available.

Synonyms

SynonymFull CitationBasionymType
Helianthus borealis    
Helianthus giganteus ssp. alienus    
Helianthus giganteus var. subtuberosus    
Helianthus nuttallii var. subtuberosus    
Helianthus subtuberosus    
Helianthus alienus    
Helianthus validus    

Specimens and Distribution

This species has been reported in the following counties by the herbaria listed. An overview of the individual specimens are provided in the table that follows. Click on the accession number to view details; click on column headers to sort; choose a county or herbaria to filter the specimen data.

Counties included on distribution map: Barbour, Calhoun, Dallas, Hale, Jackson, Randolph, Shelby, St. Clair

Counties represented by specimen data listed below:

Herbaria represented by specimen data listed below: ALNHS, AUA, JSU, SAMF, TROY, UNA, UWAL

Range of years during which specimens were collected: 1967 - 1969

Barcode / Accession No. County Coll. Date Collector &
Collection No.		 Herbarium &
Herbarium Name Used		 Image
ALNHS00005305 Dallas 20 SEP 2017 Barger, T. Wayne
SP#3421		 ALNHS
Helianthus giganteus L.
JSU114348 Randolph 1 Jul 1986 Nixon, Christopher F.
2526		 JSU
Helianthus giganteus Linnaeus
UNA00047025 Randolph _ Jul 1986 Nixon, Christopher F.
2526		 UNA
Helianthus giganteus L.
JSU114346 Calhoun 30 Sep 1986 Lawler, Carol L.
1297		 JSU
Helianthus giganteus Linnaeus
TROY000035515 Dallas 17 Sep 2012 Webb, Wayne K.
s.n.		 TROY
Helianthus giganteus Linnaeus
TROY000031236 St. Clair 17 Jul 1980 Owsley, C.M.
628		 TROY
Helianthus giganteus Linnaeus
AUA000004504 St. Clair 17 Jul 1980 Owsley, C.Michael
628		 AUA
Helianthus Giganteus L.
ALNHS00005389 Dallas 20 SEP 2017 Barger, T. Wayne
SP#3422		 ALNHS
Helianthus giganteus L.
JSU114347 Jackson 14 Oct 1975 Whetstone, R. David
7438		 JSU
Helianthus giganteus Linnaeus
AUA000004503 Barbour 13 Aug 2002 Gil, Glenda
(2001-329)		 AUA
Helianthus Giganteus L.
UNA00047024 Randolph _ Jul 1986 Nixon, Christopher F.
2526		 UNA
Helianthus giganteus L.
UWAL0011492 Dallas 17 Sep 2012 Webb, Wayne K.
s.n.		 UWAL
Helianthus giganteus Linnaeus
UNA00056035 Barbour 06 Jul 1998 MacDonald, John R.
11592		 UNA
Helianthus giganteus L.
SAMF0005484 Shelby 02 Jul 2005 Davenport, Lawrence J.
3280		 SAMF
Helianthus giganteus Linnaeus
ALNHS00005382 Dallas 20 SEP 2017 Barger, T. Wayne
SP#3423		 ALNHS
Helianthus giganteus L.
UNA00022433 Hale 07 Oct 1967 Thomas, Joab L.
1244		 UNA
Helianthus giganteus L.
ALNHS00007349 Dallas 15 SEP 2018 Barger, T. Wayne
SP#5676		 ALNHS
Helianthus giganteus L.
UNA00017097 Hale 30 Sep 1969 Thomas, Joab L.
2452		 UNA
Helianthus giganteus L.
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