Helianthus angustifolius

Classification	Dicots
Family	Asteraceae
Family (Traditional)	Asteraceae
Genus	Helianthus
Species:	Helianthus angustifolius L.
Common Name	Swamp Sunflower
Growth Habit	forb
Plant Notes	**
Characteristics	Armaments: No; Milky Sap: No; Photosynthetic: Yes; Stipules: No; Woody Herbaceous: Herbaceous; Natural Area Presence: BE; Natural Area Presence: BISO; Natural Area Presence: FCFSP; Natural Area Presence: GILES; Natural Area Presence: GM; Natural Area Presence: GRSM; Natural Area Presence: LC; Natural Area Presence: LRC; Natural Area Presence: LULA; Natural Area Presence: ObedWSR; Natural Area Presence: RCSP; Duration: Perennial; General Ecology: Terrestrial; Growth Habit: forb; Moisture Requirements: Sub-xeric; Moisture Requirements: Dry-mesic; Moisture Requirements: Mesic; Moisture Requirements: Mesic-Hydric; Moisture Requirements: Hydric; Moisture Requirements: Wetland; Region of Origin: North America; Reproductive Phenology: July; Reproductive Phenology: August; Reproductive Phenology: September; Reproductive Phenology: October; Leaf Arrangement: alternate; Leaf Arrangement: opposite; Leaf Complexity: simple; Leaf Fragrance: No; Leaf Persistance: Deciduous; Leaf Petiole Type: sessile; Leaf Petiole Type: subsessile; Leaf Type: broadleaf; Leaflet Margins: entire; Leaflet Number: 0; Anther Type: Basifixed; Base Flower Color: Brown (incl. Maroon); Base Flower Color: Yellow; Carpel Number/Pistil: 1; Fruit Complexity: Simple; Fruit Dehiscence: No; Fruit Type: Cypsela; Fruit Wet/Dry: Dry; Hypanthium Present: No; Inflorescence Position: terminal; Inflorescence Types: corymb/cyme/umbel; Inflorescence Types: head; Ovary Position: Inferior; Overall Flower Symmetry: Actinomorphic; Overall Flower Symmetry: Zygomorphic; Ovules per Carpel: 1; Perianth Present: Yes; Petal Fusion: Yes; Petal Number: 5; Pistil Complexity: Simple; Pistil Number: 1; Placentation Type: Basal; Sepal Fusion: N/A; Sepal Number: N/A; Sexuality: monoclinous; Sporangium Arrangement: N/A; Stamen Number: 5; Tepal Number: N/A
C value	7
Status	Native; AGCP (FACW), EMP (FACW) (NWPL); TN[SNR] KY[S4] (State Rank); G5 (Global Rank)
Specimen(s)	View and Download Specimen Details »

** Not applicable or data not available.

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Species Distribution Map

This species has been reported in the counties highlighted in the interactive distribution map below. Click on a county to display the its name. Click the question mark icon () to view additional information about the ecoregions shown. In the map legend, there are links to toggle the visibility of the ecoregions and/or their labels. In addition, clicking on an ecoregion name will highlight that region on the map.

State Boundaries
Counties
Counties - Species Present

Ecoregions

Southeastern Plains
- Blackland Prarie
Blue Ridge Mountains
Ridge and Valley
Cumberland Plateau
Cumberland Mountains
Allegheny Plateau

Interior Plateau
- Bluegrass Region
- Nashville Basin
- Pennyroyal Karst Plain
- Western Highland Rim
- Eastern Highland Rim

Interior River Valleys and Hills
- Shawnee / Caseyville Hills
Mississippi Alluvial Plain
Mississippi Valley Loess Plains
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Synonyms

Synonym	Full Citation
Helianthus agustifolius	Helianthus agustifolius L.
Helianthus angustifolius var. planifolius	Helianthus angustifolius var. planifolius Fernald

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.

Counties included on distribution map: Allen (KY), Ballard (KY), Barren (KY), Bath (KY), Calloway (KY), Christian (KY), Garrard (KY), Graves (KY), Knox (KY), Lawrence (KY), Lyon (KY), McCracken (KY), McCreary (KY), Madison (KY), Marshall (KY), Pulaski (KY), Trigg (KY), Whitley (KY), Benton (TN), Bledsoe (TN), Bradley (TN), Campbell (TN), Carroll (TN), Cheatham (TN), Chester (TN), Coffee (TN), Cumberland (TN), Decatur (TN), Dickson (TN), Fayette (TN), Fentress (TN), Franklin (TN), Giles (TN), Grundy (TN), Hamilton (TN), Hardeman (TN), Haywood (TN), Henderson (TN), Henry (TN), Hickman (TN), Lawrence (TN), Lewis (TN), Lincoln (TN), McNairy (TN), Madison (TN), Marion (TN), Monroe (TN), Montgomery (TN), Moore (TN), Morgan (TN), Overton (TN), Polk (TN), Putnam (TN), Roane (TN), Robertson (TN), Rutherford (TN), Scott (TN), Sequatchie (TN), Shelby (TN), Stewart (TN), Sumner (TN), Van Buren (TN), Warren (TN), Weakley (TN), White (TN)

Herbaria represented by specimen data listed below: APSC, BEREA, EKY, HTTU, MEM, MTSU, TENN, UCHT, UOS, VDB

Range of years during which specimens were collected: 1842 - 2016

Accession No. (click for full details)	County	State	Coll. Date	Collector & Collection No.	Herbarium & Herbarium Name Used
31234100238615	Lawrence	Kentucky	26 Sep 2010	Romie Hughart	EKY Helianthus angustifolius
31234100708450	Cumberland	Tennessee	01 Sep 1976	S. McCarrell, C.R. Hinkle, L.B. Oxendine, L.R. Smith s.n.	EKY Helianthus angustifolius
31234100238623	Madison	Kentucky	19 Oct 1996	Chris A. Fleming R-974	EKY Helianthus angustifolius
31234100238714	Morgan	Tennessee	19 Sep 1975	Ronald L. Jones 1094	EKY Helianthus angustifolius
31234100722675	Garrard	Kentucky	06 Dec 2013	W.W. Overbeck 926	EKY Helianthus angustifolius
BEREA007588	Madison	Kentucky			BEREA Helianthus angustifolius
TENN-V-0229832	Polk	Tennessee			TENN Helianthus angustifolius
TENN-V-0229815	Lewis	Tennessee			TENN Helianthus angustifolius
TENN-V-0229806	Grundy	Tennessee			TENN Helianthus angustifolius
TENN-V-0229838	Rutherford	Tennessee			TENN Helianthus angustifolius
TENN-V-0229828	Morgan	Tennessee			TENN Helianthus angustifolius
TENN-V-0229846	Sumner	Tennessee			TENN Helianthus angustifolius
TENN-V-0229810	Haywood	Tennessee			TENN Helianthus angustifolius
TENN-V-0229833	Polk	Tennessee			TENN Helianthus angustifolius
31234100238698	Carroll	Tennessee	17 Sep 1972	Betty Ann Thompson 838	EKY Helianthus angustifolius
BEREA007591	Pulaski	Kentucky			BEREA Helianthus angustifolius
TENN-V-0229784	Carroll	Tennessee			TENN Helianthus angustifolius
TENN-V-0229821	Monroe	Tennessee			TENN Helianthus angustifolius
TENN-V-0229787	Coffee	Tennessee			TENN Helianthus angustifolius
TENN-V-0229840	Shelby	Tennessee			TENN Helianthus angustifolius
TENN-V-0229852	White	Tennessee			TENN Helianthus angustifolius
TENN-V-0229842	Shelby	Tennessee			TENN Helianthus angustifolius
TENN-V-0229811	Henderson	Tennessee			TENN Helianthus angustifolius
TENN-V-0229794	Cumberland	Tennessee			TENN Helianthus angustifolius
TENN-V-0229779	Bledsoe	Tennessee			TENN Helianthus angustifolius
TENN-V-0229782	Campbell	Tennessee			TENN Helianthus angustifolius
TENN-V-0229822	Monroe	Tennessee			TENN Helianthus angustifolius
TENN-V-0229816	Lincoln	Tennessee			TENN Helianthus angustifolius
TENN-V-0229827	Morgan	Tennessee			TENN Helianthus angustifolius
31234100238706	Putnam	Tennessee	15 Oct 1988	Ronald L. Jones 5560	EKY Helianthus angustifolius
31234100238730	Putnam	Tennessee	05 Sep 1987	Ronald L. Jones 5384	EKY Helianthus angustifolius
31234100421005	Calloway	Kentucky	25 Sep 1998	Ralph L. Thompson 98-637	EKY Helianthus angustifolius
31234100238631	Marshall	Kentucky		Raymond Athey 482	EKY Helianthus angustifolius
BEREA007583	Calloway	Kentucky			BEREA Helianthus angustifolius
BEREA007589	Madison	Kentucky			BEREA Helianthus angustifolius
TENN-V-0229789	Coffee	Tennessee			TENN Helianthus angustifolius
TENN-V-0229843	Shelby	Tennessee			TENN Helianthus angustifolius
TENN-V-0229829	Morgan	Tennessee			TENN Helianthus angustifolius
TENN-V-0229825	Morgan	Tennessee			TENN Helianthus angustifolius
TENN-V-0229850	Weakley	Tennessee			TENN Helianthus angustifolius
TENN-V-0229778	Benton	Tennessee			TENN Helianthus angustifolius
TENN-V-0229809	Haywood	Tennessee			TENN Helianthus angustifolius
TENN-V-0229800	Fayette	Tennessee			TENN Helianthus angustifolius
TENN-V-0229808	Hardeman	Tennessee			TENN Helianthus angustifolius
31234100238581	Calloway	Kentucky	24 Sep 1982	Michael Woods 1149	EKY Helianthus angustifolius
31234100238755	Shelby	Tennessee	09 Oct 1980	James R. Browne	EKY Helianthus angustifolius
BEREA007587	Madison	Kentucky			BEREA Helianthus angustifolius
TENN-V-0229847	Van Buren	Tennessee			TENN Helianthus angustifolius
TENN-V-0229830	Overton	Tennessee			TENN Helianthus angustifolius
TENN-V-0229783	Campbell	Tennessee			TENN Helianthus angustifolius
TENN-V-0229807	Hamilton	Tennessee			TENN Helianthus angustifolius
TENN-V-0229791	Cumberland	Tennessee			TENN Helianthus angustifolius
TENN-V-0229786	Chester	Tennessee			TENN Helianthus angustifolius
TENN-V-0229817	Madison	Tennessee			TENN Helianthus angustifolius
TENN-V-0229790	Coffee	Tennessee			TENN Helianthus angustifolius
TENN-V-0229831	Polk	Tennessee			TENN Helianthus angustifolius
TENN-V-0229796	Dickson	Tennessee			TENN Helianthus angustifolius
TENN-V-0229804	Franklin	Tennessee			TENN Helianthus angustifolius
TENN-V-0229820	McNairy	Tennessee			TENN Helianthus angustifolius
31234100238649	McCreary	Kentucky	13 Sep 1993	David D. Taylor 17336	EKY Helianthus angustifolius
31234100238573	Ballard	Kentucky	22 Sep 1976	Raymond Athey 3663	EKY Helianthus angustifolius
31234100238748	Shelby	Tennessee	24 Sep 1967	Elizabeth M. Browne T-97	EKY Helianthus angustifolius
31234100238599	Christian	Kentucky	16 Sep 1993	Landon E. McKinney 6040	EKY Helianthus angustifolius
BEREA007582	Bath	Kentucky			BEREA Helianthus angustifolius
BEREA007586	Madison	Kentucky			BEREA Helianthus angustifolius
BEREA007585	Madison	Kentucky			BEREA Helianthus angustifolius
BEREA007584	Calloway	Kentucky			BEREA Helianthus angustifolius
TENN-V-0229818	Marion	Tennessee			TENN Helianthus angustifolius
TENN-V-0229826	Morgan	Tennessee			TENN Helianthus angustifolius
TENN-V-0231273	Ballard	Kentucky			TENN Helianthus angustifolius
TENN-V-0229841	Shelby	Tennessee			TENN Helianthus angustifolius
TENN-V-0229819	McNairy	Tennessee			TENN Helianthus angustifolius
TENN-V-0229849	Warren	Tennessee			TENN Helianthus angustifolius
APSC0025300	Montgomery	Tennessee			APSC Helianthus angustifolius
TENN-V-0229848	Van Buren	Tennessee			TENN Helianthus angustifolius
TENN-V-0229851	White	Tennessee			TENN Helianthus angustifolius
TENN-V-0229813	Henry	Tennessee			TENN Helianthus angustifolius
TENN-V-0229776	Benton	Tennessee			TENN Helianthus angustifolius
TENN-V-0229824	Montgomery	Tennessee			TENN Helianthus angustifolius
TENN-V-0229814	Lawrence	Tennessee			TENN Helianthus angustifolius
TENN-V-0229793	Cumberland	Tennessee			TENN Helianthus angustifolius
TENN-V-0229803	Fentress	Tennessee			TENN Helianthus angustifolius
TENN-V-0229845	Sumner	Tennessee			TENN Helianthus angustifolius
TENN-V-0229837	Roane	Tennessee			TENN Helianthus angustifolius
TENN-V-0229823	Monroe	Tennessee			TENN Helianthus angustifolius
TENN-V-0229801	Fentress	Tennessee			TENN Helianthus angustifolius
TENN-V-0229792	Cumberland	Tennessee			TENN Helianthus angustifolius
APSC0072824	White	Tennessee			APSC Helianthus angustifolius
APSC0085075	Lewis	Tennessee	29 Sep 2014	Judy Redden	APSC Helianthus angustifolius
31234100238664	McCreary	Kentucky	10 Aug 1991	Ronald L. Jones 6825	EKY Helianthus angustifolius
31234100238722	Morgan	Tennessee	21 Sep 1990	Ronald L. Jones 6682	EKY Helianthus angustifolius
31234100238656	Pulaski	Kentucky	24 Sep 1992	Landon E. McKinney 5198	EKY Helianthus angustifolius
31234100238607	Graves	Kentucky	20 Sep 1969	Raymond Athey 843	EKY Helianthus angustifolius
BEREA007590	Pulaski	Kentucky			BEREA Helianthus angustifolius
TENN-V-0229777	Benton	Tennessee			TENN Helianthus angustifolius
TENN-V-0229799	Fayette	Tennessee			TENN Helianthus angustifolius
TENN-V-0229802	Fentress	Tennessee			TENN Helianthus angustifolius
TENN-V-0229812	Henry	Tennessee			TENN Helianthus angustifolius
TENN-V-0229844	Stewart	Tennessee			TENN Helianthus angustifolius
TENN-V-0229795	Decatur	Tennessee			TENN Helianthus angustifolius
TENN-V-0229839	Sequatchie	Tennessee			TENN Helianthus angustifolius
APSC0025287	Lyon	Kentucky	04 Oct 1984	Edward Chester	APSC Helianthus angustifolius
APSC0025312	Polk	Tennessee			APSC Helianthus angustifolius
APSC0094379	Marshall	Kentucky			APSC Helianthus angustifolius
APSC0099975	Hickman	Tennessee			APSC Helianthus angustifolius
APSC0025309	Montgomery	Tennessee			APSC Helianthus angustifolius
APSC0076079	Barren	Kentucky	28 Aug 1982	Max Medley	APSC Helianthus angustifolius
APSC0116219	Pulaski	Kentucky			APSC Helianthus angustifolius
APSC0025307	Weakley	Tennessee			APSC Helianthus angustifolius
APSC0025289	Stewart	Tennessee	01 Oct 1976	Edward Chester	APSC Helianthus angustifolius
APSC0116217	Knox	Kentucky			APSC Helianthus angustifolius
APSC0076478	Coffee	Tennessee	02 Sep 1984	Max Medley	APSC Helianthus angustifolius
APSC0025297	Benton	Tennessee			APSC Helianthus angustifolius
APSC0085659	McCreary	Kentucky			APSC Helianthus angustifolius
HTTU027767	Cumberland	Tennessee			HTTU Helianthus angustifolius
UOS00952	Van Buren	Tennessee	21 Sep 2001	Chris A. Fleming	UOS Helianthus angustifolius
N/A		Tennessee	Aug 1898	Albert Ruth 677	UCHT Helianthus angustifolius
UCHT041080	Polk	Tennessee			UCHT Helianthus angustifolius
UCHT041081		Tennessee			UCHT Helianthus angustifolius
TENN-V-0229785	Henderson	Tennessee			TENN Helianthus angustifolius
TENN-V-0229780	Bledsoe	Tennessee			TENN Helianthus angustifolius
TENN-V-0231274	Whitley	Kentucky			TENN Helianthus angustifolius
TENN-V-0229834	Polk	Tennessee			TENN Helianthus angustifolius
TENN-V-0229781	Bradley	Tennessee			TENN Helianthus angustifolius
TENN-V-0229797	Dickson	Tennessee			TENN Helianthus angustifolius
TENN-V-0229788	Coffee	Tennessee			TENN Helianthus angustifolius
TENN-V-0229805	Giles	Tennessee			TENN Helianthus angustifolius
APSC0025288	Stewart	Tennessee	05 Sep 1977	Edward Chester	APSC Helianthus angustifolius
APSC0076160	Graves	Kentucky			APSC Helianthus angustifolius
APSC0072722	White	Tennessee			APSC Helianthus angustifolius
UCHT029154	Hamilton	Tennessee			UCHT Helianthus angustifolius
N/A	Franklin	Tennessee	10 Sep 1898	H. Eggert	UCHT Helianthus angustifolius
UCHT040046	Polk	Tennessee			UCHT Helianthus angustifolius
APSC0025299	Montgomery	Tennessee			APSC Helianthus angustifolius
APSC0025304	Cheatham	Tennessee			APSC Helianthus angustifolius
APSC0025305	Montgomery	Tennessee			APSC Helianthus angustifolius
APSC0025306	Montgomery	Tennessee			APSC Helianthus angustifolius
APSC0116239	Ballard	Kentucky			APSC Helianthus angustifolius
HTTU009124	Cumberland	Tennessee			HTTU Helianthus angustifolius
N/A	Shelby	Tennessee	21 Oct 1920	E. J. Palmer 19575	UCHT Helianthus angustifolius
N/A		Tennessee	Aug 1898	Albert Ruth 677	UCHT Helianthus angustifolius
MEM005712	Graves	Kentucky	08 Sep 1971	Raymond Athey 1527	MEM Helianthus angustifolius
APSC0025286	Trigg	Kentucky	22 Sep 1984	Edward Chester	APSC Helianthus angustifolius
APSC0116241	Allen	Kentucky			APSC Helianthus angustifolius
APSC0025291		Kentucky	01 Jan 1842	C.W. Short	APSC Helianthus angustifolius
HTTU003398	Putnam	Tennessee			HTTU Helianthus angustifolius
N/A		Tennessee	Sept 1894	A. Ruth	UCHT Helianthus angustifolius
APSC0025295	Christian	Kentucky	18 Sep 1994	Sallie Noel	APSC Helianthus angustifolius
APSC0101888	Robertson	Tennessee	21 Sep 1989	R. Kral	APSC Helianthus angustifolius
APSC0025296	Henry	Tennessee			APSC Helianthus angustifolius
APSC0025298	Henry	Tennessee			APSC Helianthus angustifolius
UCHT029140	Grundy	Tennessee			UCHT Helianthus angustifolius
UCHT029143	Polk	Tennessee			UCHT Helianthus angustifolius
UCHT041094	Bradley	Tennessee			UCHT Helianthus angustifolius
UCHT041078	Hamilton	Tennessee			UCHT Helianthus angustifolius
APSC0087225	McCracken	Kentucky	27 Sep 1984		APSC Helianthus angustifolius
APSC0025294	Moore	Tennessee			APSC Helianthus angustifolius
APSC0025301	Dickson	Tennessee			APSC Helianthus angustifolius
APSC0055479	Cumberland	Tennessee			APSC Helianthus angustifolius
APSC0106332	Moore	Tennessee			APSC Helianthus angustifolius
HTTU027069	Cumberland	Tennessee			HTTU Helianthus angustifolius
MTSU021908	Coffee	Tennessee	20 Sep 1987	Landon E. McKinney	MTSU Helianthus angustifolius
UOS00953	Marion	Tennessee	05 Aug 1996	Landon E. McKinney	UOS Helianthus angustifolius
UCHT041079	Hamilton	Tennessee			UCHT Helianthus angustifolius
BRIT277318	Lewis	Tennessee			VDB Helianthus angustifolius
APSC0079959	Graves	Kentucky			APSC Helianthus angustifolius
APSC0058872	Putnam	Tennessee			APSC Helianthus angustifolius
APSC0116301	Graves	Kentucky			APSC Helianthus angustifolius
UCHT029137	Hamilton	Tennessee			UCHT Helianthus angustifolius
N/A		Tennessee	Sept 1894	A. Ruth	UCHT Helianthus angustifolius
UCHT029139	Cumberland	Tennessee			UCHT Helianthus angustifolius
UCHT035580	Polk	Tennessee			UCHT Helianthus angustifolius
UCHT029138	Hamilton	Tennessee			UCHT Helianthus angustifolius
TENN-V-0229798	Fayette	Tennessee			TENN Helianthus angustifolius
APSC0057249	Marshall	Kentucky			APSC Helianthus angustifolius
APSC0116240	Calloway	Kentucky			APSC Helianthus angustifolius
APSC0025292	Bradley	Tennessee			APSC Helianthus angustifolius
APSC0025290	Polk	Tennessee			APSC Helianthus angustifolius
APSC0025311	Montgomery	Tennessee			APSC Helianthus angustifolius
APSC0025285	Lyon	Kentucky	03 Oct 1977	Raymond Athey	APSC Helianthus angustifolius
APSC0108180	Franklin	Tennessee			APSC Helianthus angustifolius
HTTU032810	Scott	Tennessee			HTTU Helianthus angustifolius
UOS00118	Franklin	Tennessee	07 Oct 2016	Mary P Priestley	UOS Helianthus angustifolius
MEM006897	Calloway	Kentucky	15 Sep 1973	Raymond Athey 2581	MEM Helianthus angustifolius
MEM004489	Marshall	Kentucky		Raymond Athey 482	MEM Helianthus angustifolius
MEM017632	Trigg	Kentucky	14 Sep 1980	Raymond Athey 4568	MEM Helianthus angustifolius

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Helianthus angustifolius

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Species Distribution Map

Ecoregions

Synonyms

Specimens and Distribution

Plant Photos