Thyrsanthella difformis

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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:APOCYNACEAE
Species:Thyrsanthella difformis (Walter) Pichon
Common Name:Climbing Dogbane; American Star Jasmine
Habitat:Stream banks, marshes, swamp margins, and alluvial woods.
Associated Ecological Communities:**
Growth Habit:Vine
Duration:Perennial
Category:Vascular
USDA Symbol:**
Plant Notes:Climbing Dogbane is a native, perennial, woody vine in the Dogbane family (Apocynaceae). It can be found throughout Alabama. Climbing Dogbane occurs along steams and rivers, around pond edges, in swamps, and in alluvial forests. The woody vines climb trees and other vegetation by twining. The vines are typically 10-20 feet in length, but may grow as long as 60 feet. Young stems are green or reddish in color and glabrous. Older stems have thin, reddish-brown bark. Leaves are opposite, petiolate to subsessile, linear to lanceolate, elliptic, or ovate in outline, dark green and glabrous above, pale green and pubescent below, with entire margins. Leaves are deciduous and often extremely variable, even on the same plant. Both the stems and leaves exude a milky sap when damaged. Flowers are produced in axillary corymbs. Each flower had a green calyx with 5 linear lobes, and a funnelform corolla with 5 lobes. The corolla is yellow or greenish-yellow in color with orange stripes within. The fruit is a long, slender follicle. This species has long been known as Trachelospermum difforme (Walter) A. Gray, but molecular work has shown that it is not closely related to other species in that genus.—A. Diamond
Taxonomic Notes:**
Status:Native, FACW (NWI)
References:**
Specimen: View specimen details in the Alabama Herbarium Consortium Specimen Database

** Not applicable or data not available.

Classification

FamilyAPOCYNACEAE - Dogbane family
Genus Thyrsanthella
Species Thyrsanthella difformis (Walter) Pichon - Climbing Dogbane; American Star Jasmine

Citation

Citation Thyrsanthella difformis (Walter) Pichon, Bull. Mus. Natl. Hist. Nat., sér. 2 20(2): 192. 1948.
Basionym: Echites difformis Walter 1788.
Type: USA: SOUTH CAROLINA: Without data, Herb. Walter 215 (neotype: BM). Neotypified by D.B. Ward, J. Bot. Res. Inst. Texas 1: 413-414. 2007.

** Not applicable or data not available.

Synonyms

SynonymFull CitationBasionymType
Echites difformis Echites difformis Walter, Fl. Carol. 98. 1788. TYPE: SOUTH CAROLINA: Without data, Herb. Walter 215 (neotype: BM). Neotypified by D. B. Ward, J. Bot. Res. Inst. Texas 1: 413-414. 2007.
Echites puberulus Echites puberulus Michaux, Fl. Bor.-Amer. 1: 120. 1803. TYPE: SOUTH CAROLINA:
Echites salicifolius Echites salicifolius Rafinesque, New Fl. N. Amer. 4: 59. 1838 ("1836"), non Roemer & Schultes 1819. TYPE: FLORIDA:
Forsteronia difformis Forsteronia difformis (Walter) Alph. de Candolle, Prodr. 8: 437. 1844.BASIONYM: Echites difformis Walter 1788. 
Thyrsanthus difformis Thyrsanthus difformis (Walter) Miers, Apocyn. S. Amer. 99. 1878.BASIONYM: Echites difformis Walter 1788. 
Trachelospermum difforme Trachelospermum difforme (Walter) A. Gray, Syn. Fl. N. Amer. 2: 85. 1878.BASIONYM: Echites difformis Walter 1788. 

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: Autauga, Baldwin, Bibb, Blount, Bullock, Butler, Calhoun, Cherokee, Choctaw, Clarke, Coffee, Colbert, Conecuh, Coosa, Covington, Crenshaw, Cullman, Dale, Dallas, DeKalb, Escambia, Etowah, Franklin, Geneva, Jackson, Jefferson, Lamar, Lawrence, Lee, Limestone, Macon, Madison, Marengo, Mobile, Monroe, Montgomery, Perry, Pickens, Pike, Randolph, Russell, Shelby, Sumter, Talladega, Tallapoosa, Tuscaloosa, Wilcox

Counties represented by specimen data listed below:

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

Range of years during which specimens were collected: 1877 - 1980

Barcode / Accession No. County Coll. Date Collector &
Collection No.		 Herbarium &
Herbarium Name Used		 Image
JSU120467 Calhoun 11 Jul 1986 Lawler, Carol L.
739		 JSU
Trachelospermum difforme (Walter) Gray
SAMF0003506 Crenshaw 17 Aug 2008 Diamond, Alvin R.
19796		 SAMF
Thyrsanthella difformis (Walter) Pichon
AUA000031216 Conecuh 13 Sep 1985 Diamond, Alvin R.
 AUA
Thyrsanthella Difformis (Walt.) Pinchon
TROY000038680 Bullock 10 May 2012 Dykes, Bailee
694		 TROY
Thyrsanthella difformis (Walter) Pichon
AUA000031232 Macon 10 Jul 1969 Thornhill, Randy
088		 AUA
Thyrsanthella Difformis (Walt.) Pinchon
TROY000045331 Marengo 18 May 2013 England, J. Kevin
4275		 TROY
Thyrsanthella difformis (Walter) Pichon
TROY000042732 Marengo 13 Jun 2013 England, J. Kevin
4309		 TROY
Thyrsanthella difformis (Walter) Pichon
AUA000031217 Conecuh 24 May 1985 Diamond, Alvin R.
728		 AUA
Thyrsanthella Difformis (Walt.) Pinchon
UWAL0050247 Madison 06 Jun 2020 Finzel, Brian
s.n.		 UWAL
Thyrsanthella difformis (Walter) Pichon
SAMF0004365 Bibb 26 May 2010 Davenport, Lawrence J.
4285		 SAMF
Thyrsanthella difformis (Walter) Pichon
JSU120470 Colbert 26 May 1996 Whetstone, R. David
17972		 JSU
Trachelospermum difforme (Walter) Gray
UNA00038326 Tuscaloosa 03 Jun 1952 Williams, B.C.
s.n.		 UNA
Trachelospermum difforme (Walt.) Gray
AMAL00005790 Blount 12 Aug 1998 Keener, Brian R.
1436		 AMAL
Thyrsanthella difformis (Walter) Pichon
TROY000014383 Montgomery 25 May 2007 Diamond, Alvin R.
17624		 TROY
Trachelospermum difforme (Walter) Gray
AUA000031238 Sumter 13 May 1974 Gwaltney, John R.
S. N.		 AUA
Thyrsanthella Difformis (Walt.) Pinchon
USAM000001355 Baldwin 25 Oct 1980 LeLong, Michel G.
11779		 USAM
Trachelospermum difforme (Walter) A. Gray
AUA000031237 Sumter 20 May 1970 Moore, Harold D.
049		 AUA
Thyrsanthella Difformis (Walt.) Pinchon
JSU120468 Cherokee 22 Jun 1985 Whetstone, R. David
15315		 JSU
Trachelospermum difforme (Walter) Gray
AUA000031230 Escambia 18 Jun 1999 Searcy, Darryl
 AUA
Thyrsanthella Difformis (Walt.) Pinchon
BRIT70728 Conecuh 24 May 1985 Diamond, Alvin R.
727		 BRIT
Trachelospermum difforme (Walter) A. Gray
AMAL00016915 Coosa 02 Jun 2009 Barger, T. Wayne
SP#77		 AMAL
Thyrsanthella difformis (Walter) Pichon
UNA00038330 Tuscaloosa 14 Jun 1952 Chermock, Ralph L.
s.n.		 UNA
Trachelospermum difforme (Walt.) Gray
AUA000031227 Crenshaw 30 May 1996 Diamond, Alvin R.
10280		 AUA
Thyrsanthella Difformis (Walt.) Pinchon
AUA000031218 Covington 21 May 2009 Hansen, Curtis J.
4072		 AUA
Thyrsanthella Difformis (Walt.) Pinchon
TROY000030748 Wilcox 21 May 1953 Bennett, Orus L.
s.n.		 TROY
Trachelospermum difforme (Walter) Gray
JSU120477 Lawrence 25 May 1996 Whetstone, R. David
17712		 JSU
Trachelospermum difforme (Walter) Gray
AUA000031233 Marengo 23 Jul 1972 Street, J.J.
168		 AUA
Thyrsanthella Difformis (Walt.) Pinchon
BRIT70726 Clarke 11 May 1981 Henderson, T.
51		 BRIT
Trachelospermum difforme (Walter) A. Gray
SAMF0003507 Bullock 02 Aug 2007 Diamond, Alvin R.
17860		 SAMF
Thyrsanthella difformis (Walter) Pichon
UWAL0047817 Madison 06 Jun 2020 England, J. Kevin
11072		 UWAL
Thyrsanthella difformis (Walter) Pichon
BRIT70740 Sumter 30 May 1972 Kral, Robert
46901		 BRIT
Trachelospermum difforme (Walter) A. Gray
UNA00038333 Dallas 31 May 1980 Meigs, Russell A.
742		 UNA
Trachelospermum difforme (Walt.) Gray
JSU120486 Talladega 29 May 1999 Brodeur, Kristin R.
2195		 JSU
Trachelospermum difforme (Walter) Gray
AMAL00005792 Pike 26 May 2002 Diamond, Alvin R.
13224		 AMAL
Thyrsanthella difformis (Walter) Pichon
UWAL0044029 Baldwin 29 Aug 2000 Larsen, Harry S.
543		 UWAL
Thyrsanthella difformis (Walter) Pichon
AUA000031236 Russell 30 May 2002 Gil, Glenda
2001-194		 AUA
Thyrsanthella Difformis (Walt.) Pinchon
TROY000045117 Geneva 20 Apr 2017 Byrd, Cameron
1020		 TROY
Thyrsanthella difformis (Walter) Pichon
TROY000014384 Bullock 02 Aug 2007 Diamond, Alvin R.
17860		 TROY
Trachelospermum difforme (Walter) Gray
AMAL00018582 Bullock 02 Aug 2007 Diamond, Alvin R.
17860		 AMAL
Thyrsanthella difformis (Walter) Pichon
UWAL0017400 Marengo 13 Jun 2013 England, J. Kevin
4309		 UWAL
Thyrsanthella difformis (Walter) Pichon
BRIT70727 Clarke 07 Jun 1968 Kral, Robert
31288		 BRIT
Trachelospermum difforme (Walter) A. Gray
SAMF0004364 Coffee 19 May 1986 Davenport, Lawrence J.
2461		 SAMF
Thyrsanthella difformis (Walter) Pichon
JSU120480 Limestone 26 May 1996 Whetstone, R. David
17792		 JSU
Trachelospermum difforme (Walter) Gray
UNA00038325 Tuscaloosa 03 Jun 1952 Williams, B.C.
s.n.		 UNA
Trachelospermum difforme (Walt.) Gray
JSU120485 Shelby 20 Jul 1993 Whetstone, R. David
s.n.		 JSU
Trachelospermum difforme (Walter) Gray
TROY000001104 Crenshaw 25 Jun 2002 Diamond, Alvin R.
13415		 TROY
Trachelospermum difforme (Walter) Gray
JSU120475 Jackson 26 May 1999 Brodeur, Kristin R.
1856		 JSU
Trachelospermum difforme (Walter) Gray
USAM000001361 Mobile 25 Oct 1980 LeLong, Michel G.
11754		 USAM
Trachelospermum difforme (Walter) A. Gray
JSU120471 Dallas 9 Jun 1984 Whetstone, R. David
14051		 JSU
Trachelospermum difforme (Walter) Gray
JSU120478 Limestone 13 Jul 1996 Spaulding, Daniel D.
9076		 JSU
Trachelospermum difforme (Walter) Gray
AUA000031240 Wilcox 21 May 1953 Eden, Jr., Thomas M.
 AUA
Thyrsanthella Difformis (Walt.) Pinchon
TROY000001103 Coffee 03 May 2000 Martin, Brian H.
646		 TROY
Trachelospermum difforme (Walter) Gray
UWAL0014933 Bullock 10 May 2012 Dykes, Bailee
694		 UWAL
Thyrsanthella difformis (Walter) Pichon
BRIT70737 Shelby 21 Jul 1999 Spaulding, Daniel D.
10672		 BRIT
Trachelospermum difforme (Walter) A. Gray
BRIT70730 Franklin 17 May 1968 Kral, Robert
30566A		 BRIT
Trachelospermum difforme (Walter) A. Gray
AUA000031235 Pike 24 May 1988 Diamond, Alvin R.
4853		 AUA
Thyrsanthella Difformis (Walt.) Pinchon
UWAL0049181 Bullock 30 Jul 2016 Horne, Howard E.
3446		 UWAL
Thyrsanthella difformis (Walter) Pichon
USAM000001357 Baldwin 07 Jul 1970 LeLong, Michel G.
5458		 USAM
Trachelospermum difforme (Walter) A. Gray
AUA000031250 Wilcox 21 May 1953 Bennett, Orus L.
 AUA
Thyrsanthella Difformis (Walt.) Pinchon
ALNHS00002836 Colbert 23 Jun 2014 Barger, T. Wayne
FH-353		 ALNHS
Thyrsanthella difformis (Walt.) Pichon
AMAL00015628 Sumter 18 Jun 2008 Keener, Brian R.
4630		 AMAL
Thyrsanthella difformis (Walter) Pichon
TROY000001108 Pike 26 May 2002 Diamond, Alvin R.
13224		 TROY
Trachelospermum difforme (Walter) Gray
UWAL0010148 Bibb 26 May 2010 Davenport, L.J.
4285		 UWAL
Thyrsanthella difformis (Walt.) Pichon
USAM000001354 Baldwin 25 Oct 1980 LeLong, Michel G.
11779		 USAM
Trachelospermum difforme (Walter) A. Gray
UNA00038323 Tuscaloosa 02 Jun 1877 Smith, Eugene A.
s.n.		 UNA
Trachelospermum difforme (Walt.) Gray
JSU120469 Cherokee 22 Jun 1985 Whetstone, R. David
15315		 JSU
Trachelospermum difforme (Walter) Gray
AUA000031234 Perry 30 Jun 1976 Sessler, Ann H.
170		 AUA
Thyrsanthella Difformis (Walt.) Pinchon
BRIT70736 Pike 26 May 2002 Diamond, Alvin R.
13224		 BRIT
Trachelospermum difforme (Walter) A. Gray
AUA000031212 Choctaw 1995 Crouch, Virginia E.
1400		 AUA
Thyrsanthella Difformis (Walt.) Pinchon
TROY000014230 Talladega 29 May 1999 Brodeur, Kristin R.
2195		 TROY
Trachelospermum difforme (Walter) Gray
AUA000038709 Cullman 11 Jul 1906 Wolf, Wolfgang
1129		 AUA
Thyrsanthella Difformis (Walt.) Pinchon
SAMF0004366 Bibb 04 Jun 2003 Davenport, Lawrence J.
2846		 SAMF
Thyrsanthella difformis (Walter) Pichon
AUA000031219 Covington 22 Oct 2009 Hansen, Curtis J.
4560		 AUA
Thyrsanthella Difformis (Walt.) Pinchon
TROY000032786 Butler 23 Apr 2011 Diamond, Alvin R.
21952		 TROY
Trachelospermum difforme (Walter) Gray
JSU120474 Etowah 26 May 1996 Whetstone, R. David
17858		 JSU
Trachelospermum difforme (Walter) Gray
UWAL0005386 Wilcox 12 May 2011 Diamond, Alvin R.
22069		 UWAL
Thyrsanthella difformis (Walt.) Pichon
BRIT70739 Sumter 09 Jun 1968 Jones, Samuel B.
15538		 BRIT
Trachelospermum difforme (Walter) A. Gray
JSU120483 Randolph 4 Jul 1988 Nixon, Christopher F.
3962		 JSU
Trachelospermum difforme (Walter) Gray
TROY000032087 Butler 12 May 2010 Diamond, Alvin R.
21305		 TROY
Trachelospermum difforme (Walter) Gray
BRIT70732 Geneva 26 Apr 1967 McDaniel, Sidney
8800		 BRIT
Trachelospermum difforme (Walter) A. Gray
USAM000001353 Baldwin 25 Oct 1980 LeLong, Michel G.
11768		 USAM
Trachelospermum difforme (Walter) A. Gray
JSU120472 Dallas 9 Jun 1984 Whetstone, R. David
14051		 JSU
Trachelospermum difforme (Walter) Gray
JSU120482 Pike 22 Jun 1984 Whetstone, R. David
14152		 JSU
Trachelospermum difforme (Walter) Gray
AUA000031213 Clarke 11 May 1981 Henderson, T.
051		 AUA
Thyrsanthella Difformis (Walt.) Pinchon
TROY000001106 Dale 16 May 1997 Rundell, Hannelore
189		 TROY
Trachelospermum difforme (Walter) Gray
UWAL0035469 Lamar 13 Jul 2017 England, J. Kevin
8184		 UWAL
Thyrsanthella difformis (Walter) Pichon
BRIT70733 Lawrence 25 May 1996 Whetstone, R. David
17712		 BRIT
Trachelospermum difforme (Walter) A. Gray
JSU120476 Jefferson 20 Jul 1984 Barber, J. Patrick
854		 JSU
Trachelospermum difforme (Walter) Gray
BRIT70738 Shelby 18 Jul 1979 Kral, Robert
61017		 BRIT
Trachelospermum difforme (Walter) A. Gray
AUA000031215 Conecuh 25 May 1985 Diamond, Alvin R.
747		 AUA
Thyrsanthella Difformis (Walt.) Pinchon
UWAL0031279 Cherokee 01 Jun 2015 Keener, Brian R.
8955		 UWAL
Thyrsanthella difformis (Walt.) Pichon
USAM000001356 Baldwin 07 Jul 1970 LeLong, Michel G.
5458		 USAM
Trachelospermum difforme (Walter) A. Gray
AUA000031208 Baldwin 31 Mar 1986 Brewer, R.C.
S. N.		 AUA
Thyrsanthella Difformis (Walt.) Pinchon
ALNHS00000406 Dallas 24 May 2010 Barger, T. Wayne
OC-231		 ALNHS
Thyrsanthella difformis (Walt.) Pichon
UWAL0002810 Butler 23 Apr 2011 Diamond, Alvin R.
21952		 UWAL
Thyrsanthella difformis (Walt.) Pichon
TROY000001109 Wilcox 19 May 2006 Hansen, Curtis J.
2226		 TROY
Trachelospermum difforme (Walter) Gray
UNA00073637 Marengo 18 May 2013 England, J. Kevin
4275		 UNA
Thyrsanthella difformis Pichon
USAM000001360 Baldwin 25 Oct 1980 LeLong, Michel G.
11779		 USAM
Trachelospermum difforme (Walter) A. Gray
TROY000001107 Geneva 16 May 2002 Diamond, Alvin R.
13184		 TROY
Trachelospermum difforme (Walter) Gray
AMAL00014647 Montgomery 25 May 2007 Diamond, Alvin R.
17624		 AMAL
Thyrsanthella difformis (Walter) Pichon
UWAL0017442 Marengo 18 May 2013 England, J. Kevin
4275		 UWAL
Thyrsanthella difformis (Walter) Pichon
AUA000031211 Choctaw 14 Jul 1995 Crouch, Virginia E.
1428		 AUA
Thyrsanthella Difformis (Walt.) Pinchon
TROY000047811 Autauga 24 Aug 2017 Parker, Matthew R.
1126		 TROY
Thyrsanthella difformis (Walter) Pichon
UNA00054585 Blount 12 Aug 1998 Keener, Brian R.
1436		 UNA
Trachelospermum difforme (Walt.) Gray
AMAL00019934 Monroe 25 May 2011 Barger, T. Wayne
RH-235		 AMAL
Thyrsanthella difformis (Walter) Pichon
AUA000031176 Escambia 25 Jun 2010 Hansen, Curtis J.
4790		 AUA
Thyrsanthella Difformis (Walt.) Pinchon
TROY000050731 Madison 06 Jun 2020 England, J. Kevin
11072		 TROY
Thyrsanthella difformis (Walter) Pichon
JSU120479 Limestone 26 May 1996 Whetstone, R. David
17792		 JSU
Trachelospermum difforme (Walter) Gray
UWAL0000263 Crenshaw 17 Aug 2008 Diamond, Alvin R.
19796		 UWAL
Thyrsanthella difformis (Walt.) Pichon
BRIT70729 Escambia 04 Jun 1972 Kral, Robert
47202		 BRIT
Trachelospermum difforme (Walter) A. Gray
JSU120473 DeKalb 19 Jun 1986 Whetstone, R. David
15162		 JSU
Trachelospermum difforme (Walter) Gray
TROY000032603 Wilcox 12 May 2011 Diamond, Alvin R.
22069		 TROY
Trachelospermum difforme (Walter) Gray
USAM000001358 Baldwin 15 Nov 1980 LeLong, Michel G.
11904		 USAM
Trachelospermum difforme (Walter) A. Gray
BRIT70734 Perry 03 Jun 1977 Sessler, Ann H.
1494		 BRIT
Trachelospermum difforme (Walter) A. Gray
USAM000001359 Baldwin 25 Oct 1980 LeLong, Michel G.
11768		 USAM
Trachelospermum difforme (Walter) A. Gray
AMAL00011965 Cherokee 22 Jun 1985 Whetstone, R. David
15315		 AMAL
Thyrsanthella difformis (Walter) Pichon
JSU120481 Pike 22 Jun 1984 Whetstone, R. David
14152		 JSU
Trachelospermum difforme (Walter) Gray
AUA000031214 Clarke 22 May 1981 Henderson, T.
102		 AUA
Thyrsanthella Difformis (Walt.) Pinchon
BRIT70731 Geneva 16 May 2002 Diamond, Alvin R.
13184		 BRIT
Trachelospermum difforme (Walter) A. Gray
UNA00038336 Tuscaloosa 05 Jul 1952 Chermock, Ralph L.
s.n.		 UNA
Trachelospermum difforme (Walt.) Gray
AUA000042065 Colbert 23 Jun 2014 Barger, T. Wayne
FH353		 AUA
Thyrsanthella Difformis (Walt.) Pinchon
BRIT70735 Pickens 20 May 1975 Kral, Robert
55637		 BRIT
Trachelospermum difforme (Walter) A. Gray
AUA000031239 Wilcox 19 May 2006 Hansen, Curtis J.
2226		 AUA
Thyrsanthella Difformis (Walt.) Pinchon
UNA00054026 Blount 26 Jul 1997 Keener, Brian R.
277		 UNA
Trachelospermum difforme (Walt.) Gray
JSU120484 Shelby 21 Jul 1999 Spaulding, Daniel D.
10672		 JSU
Trachelospermum difforme (Walter) Gray
AUA000031231 Lee 28 May 1964 Jones, G.S.
 AUA
Thyrsanthella Difformis (Walt.) Pinchon
TROY000001105 Dale 24 Aug 2000 Pennington, Tiffany
894		 TROY
Trachelospermum difforme (Walter) Gray
SAMF0003205 Bibb 10 Jun 2015 Davenport, Lawrence J.
5878		 SAMF
Thyrsanthella difformis (Walter) Pichon
UWAL0000264 Sumter 18 Jun 2008 Keener, Brian R.
4630		 UWAL
Thyrsanthella difformis (Walt.) Pichon
BRIT70741 Tallapoosa 25 Jun 1978 Kral, Robert
62412		 BRIT
Trachelospermum difforme (Walter) A. Gray
UNA00038324 Dallas 31 May 1980 Meigs, Russell A.
731		 UNA
Trachelospermum difforme (Walt.) Gray
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