Thyrsanthella difformis

Classification	Dicots
Family	Apocynaceae
Family (Traditional)	Apocynaceae
Genus	Thyrsanthella
Species:	Thyrsanthella difformis (Walter) Pichon
Common Name	Climbing Dogbane
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; Region of Origin: North America; Reproductive Phenology: May; Reproductive Phenology: June; Reproductive Phenology: July; Leaf Arrangement: opposite; Leaf Complexity: simple; Leaf Dissection: 0; Leaf Fragrance: No; Leaf Persistance: Deciduous; Leaf Petiole Type: petiolate; Leaf Type: broadleaf; Leaf Venation: pinnate; Leaflet Margins: entire; Leaflet Number: 0; Anther Type: Basifixed; Base Flower Color: White; Carpel Number/Pistil: 2; Fruit Complexity: Multiple; Fruit Dehiscence: Yes; Fruit Type: Follicle; Fruit Wet/Dry: Dry; Hypanthium Present: No; Inflorescence Position: axillary; Inflorescence Types: corymb/cyme/umbel; Ovary Position: Superior; Overall Flower Symmetry: Actinomorphic; Ovules per Carpel: 13+; Perianth Present: Yes; Petal Fusion: Yes; Petal Number: 5; Pistil Complexity: Compound; Pistil Number: 1; Placentation Type: Marginal; Sepal Fusion: Yes; Sepal Number: 5; Sexuality: monoclinous; Sporangium Arrangement: N/A; Stamen Number: 5
C value	7
Status	Native; AGCP (FACW), EMP (FACW) (NWPL)
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
Trachelospermum difforme	Trachelospermum difforme (Walter) A. Gray

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), Crittenden (KY), Daviess (KY), Hickman (KY), Hopkins (KY), Livingston (KY), McCreary (KY), McLean (KY), Ohio (KY), Whitley (KY), Anderson (TN), Bradley (TN), Carroll (TN), Chester (TN), Coffee (TN), Crockett (TN), Cumberland (TN), Dyer (TN), Fayette (TN), Gibson (TN), Giles (TN), Hamilton (TN), Hardin (TN), Haywood (TN), Henderson (TN), Henry (TN), Humphreys (TN), Lake (TN), Lauderdale (TN), Obion (TN), Robertson (TN), Rutherford (TN), Shelby (TN), Tipton (TN), Weakley (TN)

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

Range of years during which specimens were collected: 1948 - 2012

Accession No. (click for full details)	County	State	Coll. Date	Collector & Collection No.	Herbarium & Herbarium Name Used
31234100746252	McCreary	Kentucky	08 Sep 2010	Tara R. Littlefield 2010-013	EKY Thyrsanthella difformis
TENN-V-0176943	Carroll	Tennessee			TENN Trachelospermum difforme
TENN-V-0176978	Weakley	Tennessee			TENN Trachelospermum difforme
TENN-V-0176967	Rutherford	Tennessee			TENN Trachelospermum difforme
TENN-V-0176956	Henry	Tennessee			TENN Trachelospermum difforme
TENN-V-0176949	Fayette	Tennessee			TENN Trachelospermum difforme
TENN-V-0177004	McLean	Kentucky			TENN Trachelospermum difforme
TENN-V-0176988	Hickman	Kentucky			TENN Trachelospermum difforme
TENN-V-0176960	Lauderdale	Tennessee			TENN Trachelospermum difforme
TENN-V-0176974	Tipton	Tennessee			TENN Trachelospermum difforme
APSC0028843	Lake	Tennessee			APSC Thyrsanthella difformis
APSC0075017	Ballard	Kentucky			APSC Thyrsanthella difformis
UOS00493	Coffee	Tennessee	20 Sep 2000	Mary P. Priestley	UOS Trachelospermum difforme
BRIT73077	Henry	Tennessee	03 Jul 1981	David H. Webb 4115	VDB Trachelospermum difforme
31234100746294	McCreary	Kentucky	22 Sep 2010	Tara R. Littlefield 2010-012	EKY Thyrsanthella difformis
TENN-V-0176959	Lauderdale	Tennessee			TENN Trachelospermum difforme
TENN-V-0176942	Bradley	Tennessee			TENN Trachelospermum difforme
TENN-V-0176968	Rutherford	Tennessee			TENN Trachelospermum difforme
TENN-V-0176977	Weakley	Tennessee			TENN Trachelospermum difforme
TENN-V-0179108	Lauderdale	Tennessee			TENN Trachelospermum difforme
APSC0119173	Livingston	Kentucky			APSC Thyrsanthella difformis
APSC0028842	Robertson	Tennessee	29 Jun 1979	Edward Chester	APSC Thyrsanthella difformis
BRIT73082	Shelby	Tennessee	16 Jun 1965	Ken E. Rogers 33750	VDB Trachelospermum difforme
BRIT73072	Carroll	Tennessee	26 May 1977	David H. Webb 871	VDB Trachelospermum difforme
BRIT73079	Lake	Tennessee	11 Jun 1986	Milo Guthrie 1073	VDB Trachelospermum difforme
MEM013499	Tipton	Tennessee	05 Jul 1969	Sarah J. Warrington 492	MEM Thyrsanthella difformis
MEM008025	Shelby	Tennessee	11 Jul 1971	John E. Thompson Jr. 330	MEM Thyrsanthella difformis
MEM012002	Hickman	Kentucky	10 Jul 1973	Elizabeth M. Browne, Edward T. Browne Jr. 73E12.18	MEM Thyrsanthella difformis
MEM005774	Crittenden	Kentucky	12 Jun 1971	Raymond Athey 1405	MEM Thyrsanthella difformis
MEM007358	Ballard	Kentucky	10 Jun 1972	Raymond Athey 1836	MEM Thyrsanthella difformis
31234100216462	Ohio	Kentucky	18 Jul 1980	Richard H. Hannan 4594	EKY Trachelospermum difforme
31234100216405	Ballard	Kentucky	06 Oct 1996	Ronald L. Jones 8036	EKY Trachelospermum difforme
TENN-V-0176950	Gibson	Tennessee			TENN Trachelospermum difforme
TENN-V-0176954	Haywood	Tennessee			TENN Trachelospermum difforme
TENN-V-0176962	Obion	Tennessee			TENN Trachelospermum difforme
TENN-V-0176971	Shelby	Tennessee			TENN Trachelospermum difforme
APSC0076604	Whitley	Kentucky			APSC Thyrsanthella difformis
APSC0055334	Cumberland	Tennessee			APSC Thyrsanthella difformis
APSC0028844	Humphreys	Tennessee			APSC Thyrsanthella difformis
APSC0052999	Ballard	Kentucky			APSC Thyrsanthella difformis
APSC0075140	Shelby	Tennessee			APSC Thyrsanthella difformis
31234100216454	McCreary	Kentucky	26 May 1980	Rob Jacobs 147807	EKY Trachelospermum difforme
TENN-V-0176946	Crockett	Tennessee			TENN Trachelospermum difforme
TENN-V-0176969	Shelby	Tennessee			TENN Trachelospermum difforme
TENN-V-0176970	Shelby	Tennessee			TENN Trachelospermum difforme
TENN-V-0176955	Henderson	Tennessee			TENN Trachelospermum difforme
APSC0075016	McLean	Kentucky			APSC Thyrsanthella difformis
APSC0028840	Humphreys	Tennessee			APSC Thyrsanthella difformis
UOS00494	Coffee	Tennessee	05 Aug 2001	Mary P. Priestley	UOS Trachelospermum difforme
BRIT73080	Lake	Tennessee	17 Jun 1951	Delzie Demaree 30793	VDB Trachelospermum difforme
MEM002682	Hopkins	Kentucky	10 Jun 1963	Elizabeth M. Browne, Edward T. Browne Jr. 7386	MEM Thyrsanthella difformis
31234100216496	Dyer	Tennessee	13 Aug 1976	Elizabeth M. Browne 76E1.15	EKY Trachelospermum difforme
31234100216421	Daviess	Kentucky	14 Aug 1981	William H. Martin	EKY Trachelospermum difforme
TENN-V-0176961	Lauderdale	Tennessee			TENN Trachelospermum difforme
TENN-V-0176948	Dyer	Tennessee			TENN Trachelospermum difforme
TENN-V-0176963	Obion	Tennessee			TENN Trachelospermum difforme
TENN-V-0176973	Shelby	Tennessee			TENN Trachelospermum difforme
TENN-V-0176964	Obion	Tennessee			TENN Trachelospermum difforme
APSC0076823	McCreary	Kentucky			APSC Thyrsanthella difformis
MTSU018330	Anderson	Tennessee	21 Apr 2012	Natalie Rich 32	MTSU Trachelospermum difforme
BRIT73075	Hardin	Tennessee	02 Jul 1980	Ronald L. Jones 2750	VDB Trachelospermum difforme
BRIT73074	Hamilton	Tennessee	23 Aug 1981	T. Patrick s.n.	VDB Trachelospermum difforme
31234100216439	Hickman	Kentucky	19 Oct 1997	Ross C. Clark 23860	EKY Trachelospermum difforme
TENN-V-0176976	Tipton	Tennessee			TENN Trachelospermum difforme
TENN-V-0176952	Haywood	Tennessee			TENN Trachelospermum difforme
TENN-V-0176945	Crockett	Tennessee			TENN Trachelospermum difforme
TENN-V-0176947	Crockett	Tennessee			TENN Trachelospermum difforme
TENN-V-0176972	Shelby	Tennessee			TENN Trachelospermum difforme
TENN-V-0176944	Chester	Tennessee			TENN Trachelospermum difforme
TENN-V-0176989	Hopkins	Kentucky			TENN Trachelospermum difforme
APSC0075015	Crittenden	Kentucky			APSC Thyrsanthella difformis
BRIT73081	Rutherford	Tennessee	19 Jul 2002	Dwayne Estes 03610	VDB Trachelospermum difforme
BRIT73073	Giles	Tennessee	30 Aug 2002	Dwayne Estes 04000	VDB Trachelospermum difforme
TENN-V-0176953	Haywood	Tennessee			TENN Trachelospermum difforme
TENN-V-0176951	Giles	Tennessee			TENN Trachelospermum difforme
TENN-V-0176966	Rutherford	Tennessee			TENN Trachelospermum difforme
BRIT73076	Henderson	Tennessee	08 Jul 1948	A. J. Sharp 9270	VDB Trachelospermum difforme
MEM000883	Shelby	Tennessee	25 Jun 1959	Ellen McGowan s.n.	MEM Thyrsanthella difformis
31234100216447	McCreary	Kentucky	19 Jun 1987	Max E. Medley 16762	EKY Trachelospermum difforme
31234100216413	Crittenden	Kentucky	27 Aug 1980	R. Hannan 5220	EKY Trachelospermum difforme
TENN-V-0176957	Haywood	Tennessee			TENN Trachelospermum difforme
TENN-V-0176965	Obion	Tennessee			TENN Trachelospermum difforme
TENN-V-0176958	Lake	Tennessee			TENN Trachelospermum difforme
TENN-V-0176975	Haywood	Tennessee			TENN Trachelospermum difforme
APSC0028841	Humphreys	Tennessee			APSC Thyrsanthella difformis
MEM012587	McLean	Kentucky	15 Jul 1970	Jim Conrad 1375	MEM Thyrsanthella difformis

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Thyrsanthella difformis

Related Links

Species Distribution Map

Ecoregions

Synonyms

Specimens and Distribution

Plant Photos