Desmodium tortuosum

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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:FABACEAE
Species:Desmodium tortuosum (Sw.) DC.
Common Name:Dixie Tick Trefoil
Habitat:**
Associated Ecological Communities:**
Growth Habit:Herb
Duration:Perennial
Category:Vascular
USDA Symbol:**
Plant Notes:Dixie Tick Trefoil is an introduced herbaceous perennial in the Bean family (Fabaceae). It is native to the Caribbean and tropical America. In Alabama it can be found primarily in the southern half of the state. Dixie Tick Trefoil occurs in row crops, around the edges of fields and pastures, on roadsides, along railroads, and in other disturbed habitats. It is a perennial with a tap root. Stems are erect, 4-8 feet in height, green or purple-red in color, and pubescent with hooked hairs. Leaves are alternate, petiolate (the petiole grooved on the upper side), pinnately 3-foliate, with large, papery, ovate-triangular stipules. The leaflets are ovate to ovate-lanceolate in outline, entire, and pubescent on both surfaces with hooked hairs. The terminal leaflet is larger than the lateral leaflets. The flowers are produced in terminal and axillary racemes. The small papilionaceous flowers are blue-mauve, pink, or blue-green in color. The fruit is a segmented legume breaking into one-seeded segments. The segments are equally rounded above and below. The fruit are covered in hooked hairs that adhere to clothing and fur. Dixie Tick Trefoil is sometimes cultivated as a green manure or forage. It is considered an invasive species in the United States, and is often a major weed of row crops.—A. Diamond
Taxonomic Notes:**
Status:Not Native
References:**
Specimen: View specimen details in the Alabama Herbarium Consortium Specimen Database

** Not applicable or data not available.

Classification

FamilyFABACEAE - Pea/Bean family
Genus Desmodium
Species Desmodium tortuosum (Sw.) DC. - Dixie Tick Trefoil

Citation

Citation Desmodium tortuosum (Swartz) A.P. de Candolle, Prodr. [A. P. de Candolle] 2: 332. 1825.
Basionym: Hedysarum tortuosum Sw. 1788.
Type: JAMAICA: Without data, Swartz s.n. (holotype: S).

** Not applicable or data not available.

Synonyms

SynonymFull CitationBasionymType
Desmodium purpureum Desmodium purpureum (Miller) Fawcett & Rendle, Fl. Jamaica 4: 36. 1920, non Hooker & Arnott 1832.Hedysarum purpureum Miller 1768. 
Hedysarum purpureum Hedysarum purpureum Miller, Gard. Dict., ed. 8. 1768. MEXICO: Veracruz: Without data, Houston s.n. (holotype: BM).
Hedysarum tortuosum Hedysarum tortuosum Swartz, Prodr. 107. 1788. JAMAICA: Without data, Swartz s.n. (holotype: S).
Meibomia tortuosa Meibomia tortuosa (Swartz) Kuntze, Revis. Gen. Pl. 1: 198. 1891.Hedysarum tortuosum Swartz 1788. 
Meibomia purpurea Meibomia purpurea (Miller) Vail, in Small, Fl. S.E. U.S. 639. 1903.Hedysarum purpureum Miller 1768. 

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, Barbour, Blount, Bullock, Butler, Clarke, Coffee, Conecuh, Covington, Crenshaw, Dale, Elmore, Fayette, Geneva, Henry, Houston, Lee, Mobile, Monroe, Montgomery, Pike, Talladega, Tuscaloosa

Counties represented by specimen data listed below:

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

Range of years during which specimens were collected: 1965 - 1965

Barcode / Accession No. County Coll. Date Collector &
Collection No.		 Herbarium &
Herbarium Name Used		 Image
USAM000006349 Mobile 04 Aug 1967 LeLong, Michel G.
3485		 USAM
Desmodium tortuosum (Swartz) A.P. de Candolle
TROY000035293 Butler 13 Jul 2012 Diamond, Alvin R.
23169		 TROY
Desmodium tortuosum (Swartz) A.P. de Candolle
UNA00073034 Houston 05 Nov 2015 Barger, T. Wayne
DTP-244		 UNA
Desmodium tortuosum (Sw.) DC.
TROY000032441 Pike 18 Oct 2001 Diamond, Alvin R.
12788		 TROY
Desmodium tortuosum (Swartz) A. P. de Candolle
UWAL0030071 Montgomery 24 Aug 2015 Diamond, Alvin R.
26760		 UWAL
Desmodium tortuosum (Swartz) A.P.de Candolle
AUA000011678 Geneva 8 Nov 2004 Diamond, Alvin R.
14879		 AUA
Desmodium Tortuosum (Sw.) Dc.
TROY000032945 Dale 19 Sep 2005 Diamond, Alvin R.
15808		 TROY
Desmodium tortuosum (Swartz) A.P. de Candolle
AUA000032686 Covington 14 Sep 2010 Hansen, Curtis J.
4989		 AUA
Desmodium Tortuosum (Sw.) Dc.
TROY000005137 Pike 12 Oct 2002 Belcher, Richard
4		 TROY
Desmodium tortuosum (Swartz) A.P. de Candolle
AUA000011673 Dale 11 Sep 2005 Diamond, Alvin R.
15758		 AUA
Desmodium Tortuosum (Sw.) Dc.
UWAL0031775 Coffee 20 Aug 1998 Kral, Robert
87706		 UWAL
Desmodium tortuosum (Sw.) DC
TROY000005135 Houston 02 Sep 2004 Diamond, Alvin R.
14653		 TROY
Desmodium tortuosum (Swartz) A.P. de Candolle
UWAL0004899 Covington 17 Sep 2005 Diamond, Alvin R.
15790		 UWAL
Desmodium tortuosum (Swartz) A.P. de Candolle
AUA000011680 Henry 29 Jul 1971 Guthrie, C.D.
133		 AUA
Desmodium Tortuosum (Sw.) Dc.
UNA00063981 Dale 11 Sep 2005 Diamond, Alvin R.
15758		 UNA
Desmodium tortuosum (Sw.) DC.
AUA000011675 Fayette 23 Oct 1954 Moore, William H.
 AUA
Desmodium Tortuosum (Sw.) Dc.
AUA000011688 Pike 4 Sep 1994 Diamond, Alvin R.
9354		 AUA
Desmodium Tortuosum (Sw.) Dc.
TROY000005132 Dale 11 Sep 2005 Diamond, Alvin R.
15758		 TROY
Desmodium tortuosum (Swartz) A.P. de Candolle
UWAL0046024 Autauga 03 Nov 2016 Parker, Matthew R.
271		 UWAL
Desmodium tortuosum (Swartz) A.P. de Candolle
AUA000011663 Clarke 10 Sep 1975 Maddox, William K.
058		 AUA
Desmodium Tortuosum (Sw.) Dc.
TROY000019639 Baldwin 14 Aug 2005 Spaulding, Daniel D.
12347		 TROY
Desmodium tortuosum (Swartz) A.P. de Candolle
AUA000011687 Monroe 29 Aug 1960 Jones, Jr., Samuel B.
241		 AUA
Desmodium Tortuosum (Sw.) Dc.
TROY000005127 Conecuh 21 Oct 2001 Diamond, Alvin R.
12814		 TROY
Desmodium tortuosum (Swartz) A.P. de Candolle
TROY000044716 Autauga 03 Nov 2016 Parker, Matthew R.
271		 TROY
Desmodium tortuosum (Swartz) A.P. de Candolle
UWAL0004900 Geneva 18 Sep 2005 Diamond, Alvin R.
15796		 UWAL
Desmodium tortuosum (Swartz) A.P. de Candolle
TROY000005122 Coffee 25 Aug 1999 Martin, Brian H.
113		 TROY
Desmodium tortuosum (Swartz) A.P. de Candolle
AUA000011672 Dale 15 Sep 1991 Diamond, Alvin R.
7741		 AUA
Desmodium Tortuosum (Sw.) Dc.
UNA00065018 Henry 11 Sep 2005 Diamond, Alvin R.
15751		 UNA
Desmodium tortuosum (Sw.) DC.
AUA000011676 Fayette 23 Oct 1954 Moore, William H.
 AUA
Desmodium Tortuosum (Sw.) Dc.
TROY000005138 Pike 30 Jul 1996 Holmes, Jeanese
227		 TROY
Desmodium tortuosum (Swartz) A.P. de Candolle
TROY000005134 Henry 11 Sep 2005 Diamond, Alvin R.
15751		 TROY
Desmodium tortuosum (Swartz) A.P. de Candolle
AUA000011683 Henry 13 Aug 1981 Rickerl, D.
196		 AUA
Desmodium Tortuosum (Sw.) Dc.
TROY000005131 Crenshaw 30 Sep 2001 Diamond, Alvin R.
12695		 TROY
Desmodium tortuosum (Swartz) A.P. de Candolle
AUA000011662 Barbour 25 Jul 1972 Luckett, Larry
128		 AUA
Desmodium Tortuosum (Sw.) Dc.
TROY000042790 Montgomery 24 Aug 2015 Diamond, Alvin R.
26760		 TROY
Desmodium tortuosum (Swartz) A.P. de Candolle
AUA000011679 Henry 13 Aug 1960 Jones, Jr., Samuel B.
254		 AUA
Desmodium Tortuosum (Sw.) Dc.
UNA00054096 Blount 15 Aug 1998 Keener, Brian R.
1475		 UNA
Desmodium tortuosum (Sw.) DC.
TROY000019640 Geneva 28 Aug 2008 Diamond, Alvin R.
19856		 TROY
Desmodium tortuosum (Swartz) A.P. de Candolle
AUA000038540 Lee 28 Oct 1956 Hocking, George M.
2002		 AUA
Desmodium Tortuosum (Sw.) Dc.
TROY000005123 Coffee 21 Apr 2000 Martin, Brian H.
601		 TROY
Desmodium tortuosum (Swartz) A.P. de Candolle
UNA00064367 Covington 07 Nov 2004 Diamond, Alvin R.
14878		 UNA
Desmodium tortuosum (Sw.) DC.
AUA000011685 Lee Davis, Donald E.
 AUA
Desmodium Tortuosum (Sw.) Dc.
TROY000005124 Coffee 03 Sep 2006 Hendrix, Jake
30		 TROY
Desmodium tortuosum (Swartz) A.P. de Candolle
TROY000033900 Coffee 04 Oct 2011 Counts, Kayla
45		 TROY
Desmodium tortuosum (Swartz) A.P. de Candolle
AUA000011674 Elmore 5 Aug 1969 Rebois, R.V.
133		 AUA
Desmodium Tortuosum (Sw.) Dc.
TROY000005128 Conecuh 29 Sep 2001 Diamond, Alvin R.
12691		 TROY
Desmodium tortuosum (Swartz) A.P. de Candolle
AUA000037759 Covington 16 Aug 2011 Hansen, Curtis J.
5244		 AUA
Desmodium Tortuosum (Sw.) Dc.
TROY000005121 Bullock 12 Aug 2002 Diamond, Alvin R.
13576		 TROY
Desmodium tortuosum (Swartz) A.P. de Candolle
AUA000011665 Conecuh 12 Sep 1987 Diamond, Alvin R.
3612		 AUA
Desmodium Tortuosum (Sw.) Dc.
UWAL0031894 Dale 26 Jun 1991 Kral, Robert
79186		 UWAL
Desmodium tortuosum (Swartz) A.P. de Candolle
TROY000032946 Crenshaw 28 Aug 1998 Diamond, Alvin R.
11381		 TROY
Desmodium tortuosum (Swartz) A.P. de Candolle
UNA00016806 Tuscaloosa s.d. Glenboski, Linda Leigh
64		 UNA
Desmodium tortuosum (Sw.) DC.
UWAL0043916 Baldwin 17 Aug 2007 Larsen, Harry S.
1632		 UWAL
Desmodium tortuosum (Sw.) DC.
TROY000005129 Covington 07 Nov 2004 Diamond, Alvin R.
14878		 TROY
Desmodium tortuosum (Swartz) A.P. de Candolle
UWAL0019815 Houston 13 Aug 2015 Diamond, Alvin R.
26720		 UWAL
Desmodium tortuosum (Swartz) A.P. de. Candolle
AUA000011682 Henry 7 Jul 1988 Diamond, Alvin R.
5151		 AUA
Desmodium Tortuosum (Sw.) Dc.
TROY000032439 Geneva 08 Oct 2006 Diamond, Alvin R.
17033		 TROY
Desmodium tortuosum (Swartz) A. P. de Candolle
AUA000011689 Pike 23 Aug 1995 Diamond, Alvin R.
9870		 AUA
Desmodium Tortuosum (Sw.) Dc.
ALNHS00000621 Baldwin 13 Sep 2011 Barger, T. Wayne
Perd-721		 ALNHS
Desmodium tortuosum (Sw.) DC.
AUA000011666 Conecuh 3 Aug 1969 Weaver, Jimmy
117		 AUA
Desmodium Tortuosum (Sw.) Dc.
TROY000033907 Houston 24 Sep 2011 Senn, Whitney
56		 TROY
Desmodium tortuosum (Swartz) A.P. de Candolle
UWAL0035613 Mobile 13 Sep 2013 Horne, Howard E.
2384		 UWAL
Desmodium tortuosum (Swartz) A.P. de Candolle
UWAL0006855 Baldwin 14 Aug 2005 Spaulding, Daniel D.
12347		 UWAL
Desmodium tortuosum (Sw.) DC.
UWAL0043958 Baldwin 21 Sep 2000 Larsen, Harry S.
499		 UWAL
Desmodium tortuosum (Sw.) DC.
TROY000032440 Henry 26 Sep 2006 Diamond, Alvin R.
16960		 TROY
Desmodium tortuosum (Swartz) A. P. de Candolle
TROY000005130 Covington 07 Nov 2004 Diamond, Alvin R.
14878		 TROY
Desmodium tortuosum (Swartz) A.P. de Candolle
AUA000011690 Talladega 28 Aug 1975 Rutland, David W.
978		 AUA
Desmodium Tortuosum (Sw.) Dc.
TROY000005133 Geneva 08 Nov 2004 Diamond, Alvin R.
14879		 TROY
Desmodium tortuosum (Swartz) A.P. de Candolle
AUA000011664 Coffee 22 Jul 1989 Diamond, Alvin R.
6064		 AUA
Desmodium Tortuosum (Sw.) Dc.
UWAL0004901 Henry 26 Sep 2006 Diamond, Alvin R.
16960		 UWAL
Desmodium tortuosum (Swartz) A.P. de Candolle
AUA000011669 Crenshaw 30 Oct 1971 Kapa, Milton
111		 AUA
Desmodium Tortuosum (Sw.) Dc.
TROY000005125 Coffee 08 Aug 2000 Martin, Brian H.
840		 TROY
Desmodium tortuosum (Swartz) A.P. de Candolle
UWAL0006856 Henry 11 Sep 2005 Diamond, Alvin R.
15751		 UWAL
Desmodium tortuosum (Sw.) DC.
UWAL0004898 Dale 19 Sep 2005 Diamond, Alvin R.
15808		 UWAL
Desmodium tortuosum (Swartz) A.P. de Candolle
AUA000011661 Baldwin 2 Sep 1970 Kral, Robert
40038		 AUA
Desmodium Tortuosum (Sw.) Dc.
ALNHS00005115 Butler 24 AUG 2017 Barger, T. Wayne
SP#3273		 ALNHS
Desmodium tortuosum (Sw.) DC.
UWAL0043917 Baldwin 11 Sep 2006 Larsen, Harry S.
1544		 UWAL
Desmodium tortuosum (Sw.) DC.
AUA000011670 Crenshaw 4 Sep 1995 Diamond, Alvin R.
9915		 AUA
Desmodium Tortuosum (Sw.) Dc.
TROY000005136 Houston 08 Sep 2002 Spaulding, Daniel D.
11587		 TROY
Desmodium tortuosum (Swartz) A.P. de Candolle
UNA00059493 Houston 08 Sep 2002 Spaulding, Daniel D.
11587		 UNA
Desmodium tortuosum (Sw.) DC.
AUA000011677 Geneva 5 Jul 1970 Smith, Wayne
080		 AUA
Desmodium Tortuosum (Sw.) Dc.
AUA000011686 Monroe 29 Aug 1960 Jones, Jr., Samuel B.
242		 AUA
Desmodium Tortuosum (Sw.) Dc.
TROY000005126 Coffee 01 Sep 1999 Martin, Brian H.
113		 TROY
Desmodium tortuosum (Swartz) A.P. de Candolle
AUA000011667 Covington 26 Aug 1988 Diamond, Alvin R.
5412		 AUA
Desmodium Tortuosum (Sw.) Dc.
TROY000042601 Houston 13 Aug 2015 Diamond, Alvin R.
26720		 TROY
Desmodium tortuosum (Swartz) A.P. de Candolle
UWAL0049211 Bullock 19 Jun 2016 Horne, Howard E.
3351		 UWAL
Desmodium totuosum (Swartz) A. P. de Candolle
TROY000032442 Covington 17 Sep 2005 Diamond, Alvin R.
15790		 TROY
Desmodium tortuosum (Swartz) A. P. de Candolle
UWAL0011023 Butler 13 Jul 2012 Diamond, Alvin R.
23169		 UWAL
Desmodium tortuosum (Swartz) A.P. de Candolle
AUA000011668 Covington 7 Nov 2005 Diamond, Alvin R.
14878		 AUA
Desmodium Tortuosum (Sw.) Dc.
TROY000032438 Geneva 18 Sep 2005 Diamond, Alvin R.
15796		 TROY
Desmodium tortuosum (Swartz) A. P. de Candolle
AUA000011671 Dale 23 Jul 1989 Diamond, Alvin R.
6081		 AUA
Desmodium Tortuosum (Sw.) Dc.
ALNHS00000622 Baldwin 13 Sep 2011 Barger, T. Wayne
Perd-721		 ALNHS
Desmodium tortuosum (Sw.) DC.
AUA000011684 Henry 11 Sep 2005 Diamond, Alvin R.
15751		 AUA
Desmodium Tortuosum (Sw.) Dc.
AUA000011681 Henry 2 Nov 1980 Webb, A.L.
227		 AUA
Desmodium Tortuosum (Sw.) Dc.
UNA00016809 Mobile 26 Aug 1965 Deramus, Rebecca
D734		 UNA
Desmodium tortuosum (Sw.) DC.
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