Helianthus grosseserratus

Classification	Dicots
Family	Asteraceae
Family (Traditional)	Asteraceae
Genus	Helianthus
Species:	Helianthus grosseserratus M. Martens
Common Name	Sawtooth Sunflower
Growth Habit	forb
Plant Notes	**
Characteristics	Armaments: No; Milky Sap: No; Photosynthetic: Yes; Stipules: No; Woody Herbaceous: Herbaceous; Duration: Perennial; General Ecology: Terrestrial; Growth Habit: forb; 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 Dissection: 0; Leaf Fragrance: No; Leaf Persistance: Deciduous; Leaf Petiole Type: petiolate; Leaf Type: broadleaf; Leaflet Margins: serrate; Leaflet Number: 0; Anther Type: Basifixed; 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	5
Status	Native; AGCP (FAC), EMP (FACW) (NWPL); TN[SNR] KY[SNR] (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 grosseserratus subsp. grosseserratus	Helianthus grosseserratus subsp. grosseserratus
Helianthus grosseserratus subsp. maximus	Helianthus grosseserratus subsp. maximus R.W.Long
Helianthus grosseserratus var. hypoleucus	Helianthus grosseserratus var. hypoleucus
Helianthus instabilis	Helianthus instabilis E.E.Watson

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: Ballard (KY), Bullitt (KY), Calloway (KY), Crittenden (KY), Fayette (KY), Franklin (KY), Garrard (KY), Graves (KY), Harrison (KY), Hickman (KY), Jefferson (KY), Lincoln (KY), McCracken (KY), Marshall (KY), Pulaski (KY), Shelby (KY), Carroll (TN), Chester (TN), Dickson (TN), Hamblen (TN), Henderson (TN), Meigs (TN), Montgomery (TN), Scott (TN), Shelby (TN), Van Buren (TN), Williamson (TN)

Herbaria represented by specimen data listed below: APSC, EKY, KNK, MEM, TENN, VDB

Range of years during which specimens were collected: 1956 - 2010

Accession No. (click for full details)	County	State	Coll. Date	Collector & Collection No.	Herbarium & Herbarium Name Used
31234100260429	Lincoln	Kentucky	02 Sep 1990	Ronald L. Jones 6651	EKY Helianthus grosseserratus
TENN-V-0230088	Hamblen	Tennessee			TENN Helianthus grosseserratus
APSC0121508	Bullitt	Kentucky			APSC Helianthus grosseserratus
31234100722568	Garrard	Kentucky	02 Oct 2010	W.W. Overbeck 929	EKY Helianthus grosseserratus
31234100260395	Fayette	Kentucky	29 Sep 1956	Mary E. Wharton 10560	EKY Helianthus grosseserratus
APSC0115883	Jefferson	Kentucky			APSC Helianthus grosseserratus
APSC0116263	Graves	Kentucky			APSC Helianthus grosseserratus
31234100260452	Marshall	Kentucky	03 Oct 1985	Raymond Athey 5125	EKY Helianthus grosseserratus
31234100260445	Lincoln	Kentucky	02 Sep 1990	Ronald L. Jones 6651	EKY Helianthus grosseserratus
31234100260437	Lincoln	Kentucky	02 Sep 1990	Ronald L. Jones 6651	EKY Helianthus grosseserratus
TENN-V-0230096	Van Buren	Tennessee			TENN Helianthus grosseserratus
TENN-V-0230086	Carroll	Tennessee			TENN Helianthus grosseserratus
APSC0115882	Franklin	Kentucky			APSC Helianthus grosseserratus
MEM012418	Hickman	Kentucky	23 Sep 1977	Raymond Athey 3851	MEM Helianthus grosseserratus
MEM012521	Crittenden	Kentucky	14 Sep 1977	Raymond Athey 3824	MEM Helianthus grosseserratus
MEM006898	Calloway	Kentucky	22 Sep 1973	Raymond Athey 2589	MEM Helianthus grosseserratus
MEM006041	Ballard	Kentucky	05 Sep 1971	Raymond Athey 1508	MEM Helianthus grosseserratus
TENN-V-0230095	Shelby	Tennessee			TENN Helianthus grosseserratus
APSC0115881	Shelby	Kentucky			APSC Helianthus grosseserratus
APSC0091887	Jefferson	Kentucky			APSC Helianthus grosseserratus
APSC0115980	Pulaski	Kentucky			APSC Helianthus grosseserratus
31234100260478	Dickson	Tennessee	02 Sep 1991	Ronald L. Jones 6956	EKY Helianthus grosseserratus
31973000005672	Harrison	Kentucky	09 Oct 1993	Thieret, John 53423	KNK Helianthus grosseserratus
TENN-V-0230089	Henderson	Tennessee			TENN Helianthus grosseserratus
TENN-V-0230094	Scott	Tennessee			TENN Helianthus grosseserratus
TENN-V-0230092	Meigs	Tennessee			TENN Helianthus grosseserratus
APSC0025022	Montgomery	Tennessee			APSC Helianthus grosseserratus
APSC0109244	Bullitt	Kentucky			APSC Helianthus grosseserratus
31234100260411	Graves	Kentucky	20 Sep 1969	Raymond Athey 842	EKY Helianthus grosseserratus
TENN-V-0230090	Meigs	Tennessee			TENN Helianthus grosseserratus
APSC0116287	Graves	Kentucky			APSC Helianthus grosseserratus
APSC0091886	Jefferson	Kentucky			APSC Helianthus grosseserratus
APSC0116253	Ballard	Kentucky			APSC Helianthus grosseserratus
31234100260403	Fayette	Kentucky	15 Sep 1956	Mary E. Wharton 10560	EKY Helianthus grosseserratus
31973000005673	Harrison	Kentucky	09 Oct 1993	Thieret, John 53423	KNK Helianthus grosseserratus
TENN-V-0230087	Chester	Tennessee			TENN Helianthus grosseserratus
TENN-V-0230097	Williamson	Tennessee			TENN Helianthus grosseserratus
MEM017658	McCracken	Kentucky	27 Sep 1979	Raymond Athey 4520	MEM Helianthus grosseserratus
BRIT277317	Dickson	Tennessee			VDB Helianthus grosseserratus
31234100431665	Garrard	Kentucky	10 Sep 2010	W. W. Overbeck 859	EKY Helianthus grosseserratus
TENN-V-0230093	Meigs	Tennessee			TENN Helianthus grosseserratus
TENN-V-0230091	Meigs	Tennessee			TENN Helianthus grosseserratus
APSC0091888	Jefferson	Kentucky			APSC Helianthus grosseserratus
APSC0091825	Jefferson	Kentucky			APSC Helianthus grosseserratus
MEM009078	Shelby	Tennessee	07 Oct 1972	John E. Thompson Jr. 1042	MEM Helianthus grosseserratus

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Helianthus grosseserratus

Related Links

Species Distribution Map

Ecoregions

Synonyms

Specimens and Distribution

Plant Photos