Isotrema tomentosum

Family:ARISTOLOCHIACEAE
Species:Isotrema tomentosum (Sims) H. Huber
Common Name:Woolly Dutchman's Pipe; Pipevine; Hairy Dutchman's Pipe
Habitat:River banks and swamp forests.
Associated Ecological Communities:**
Growth Habit:Vine
Duration:Perennial
Category:Vascular
USDA Symbol:**
Plant Notes:Woolly Dutchman's Pipe is a native woody vine in the Birthwort family (Aristolochiaceae). It can be found throughout most of Alabama. Woolly Dutchman's Pipe occurs along streams and rivers and in bottomland hardwood forests. It is a twining woody vine reaching 60 or more feet in length. Young stems are green and pubescent. Older stems are light to dark gray with thin bark. The leaves are alternate, petiolate, cordate in outline, with entire margins. The leaves are pubescent and palmately veined. Flowers are solitary from the axils of the leaves on new growth. The flowers are tubular and bent or curved in the fashion of the letter J. The corolla is absent and the calyx has 3 triangular lobes that are yellow-green, sometimes marked with spots or streaks of reddish brown. The exterior of the tube is pubescent. The annulus (a circular area around the opening of the flower) is dark reddish-purple and wrinkled. The fruit is a large elliptical capsule. The seed are flat and triangular. Woolly Dutchman's Pipe is a larval food for the Pipevine Swallowtail (Battus philenor). It is sometimes available from native plant nurseries. Woolly Dutchman's Pipe prefers a moist, organic rich soil and full sun. Plants require a trellis for climbing or can be trained up existing trees.--A. Diamond
Taxonomic Notes:**
Status:Native, FAC (NWI)
References:**
Specimen: View specimen details in the Alabama Herbarium Consortium Specimen Database

** Not applicable or data not available.

Classification

FamilyARISTOLOCHIACEAE - Birthwort family
Genus Isotrema
Species Isotrema tomentosum (Sims) H. Huber - Woolly Dutchman's Pipe; Pipevine; Hairy Dutchman's Pipe

Citation

Citation Isotrema tomentosum (Sims) H. Huber, Mitt. Bot. Staatssamml. München 3: 550. 1960.
Basionym: Aristolochia tomentosa Sims 1811.
Type: **

** Not applicable or data not available.

Synonyms

SynonymFull CitationBasionymType
Aristolochia coriacea Aristolochia coriacea Rafinesque, Atl. J. 1: 146. 1832. OREGON
Aristolochia hitchcockii Aristolochia hitchcockii Gandoger, Bull. Soc. Bot. France 66: 232. 1919. KANSAS: Cherokee Co.: Cherokee, s.d., Hitchcock 809 (holotype: LY?).
Aristolochia tripteris Aristolochia tripteris Rafinesque, Fl. Ludov. 24. 1817. LOUISIANA
Dasyphonion tomentosum Dasyphonion tomentosum (Sims) Rafinesque, First Cat. Bot. Gard. Transylv. Univ. 13. 1824.Aristolochia tomentosa Sims 1811. 
Hocquartia tomentosa Hocquartia tomentosa (Sims) Dumortier, Commentat. 30. 1822.Aristolochia tomentosa Sims 1811. 
Isiphia tomentosa Isiphia tomentosa (Sims) Rafinesque, Med. Fl. 2: 232. 1830.Aristolochia tomentosa Sims 1811. 
Isotrema tomentosa Isotrema tomentosa (Sims) H. Huber, Mitt. Bot. Staatssamml. München 3: 550. 1960.Aristolochia tomentosa Sims 1811. 
Siphisia tomentosa Siphisia tomentosa (Sims) Rafinesque, Med. Fl. 1: 65. 1828.Aristolochia tomentosa Sims 1811. 
Aristolochia tomentosa ARISTOLOCHIA TOMENTOSA Sims, Bot. Mag. 33: t. 1369. 1811.  

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, Barbour, Bibb, Blount, Bullock, Butler, Calhoun, Chambers, Chilton, Choctaw, Coffee, Conecuh, Covington, Crenshaw, Dallas, Elmore, Escambia, Franklin, Geneva, Greene, Henry, Houston, Jackson, Jefferson, Lauderdale, Lawrence, Limestone, Madison, Marshall, Monroe, Montgomery, Morgan, Perry, Pike, Shelby, St. Clair, Sumter, 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, UNAF, UWAL

Range of years during which specimens were collected: 1967 - 1987

Barcode / Accession No. County Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
Image
JSU142863 Jackson 01 Jun 1993 Whetstone, R. David
s.n.
JSU
Isotrema tomentosa (Sims) C.F. Reed
UWAL0035202 Morgan 15 Apr 2017 England, J. Kevin
7501
UWAL
Isotrema tomentosum (Sims) H. Huber
JSU120333 Jefferson 28 May 1984 Barber, J. Patrick
415
JSU
Isotrema tomentosa (Sims) C.F. Reed
AMAL00014136 Dallas 18 Apr 2008 Keener, Brian R.
4234
AMAL
Isotrema tomentosum (Sims) Huber
BRIT89063 Wilcox 19 May 1973 Kral, Robert
50202
BRIT
Aristolochia tomentosa Sims
UNA00067206 Geneva 20 May 2007 Diamond, Alvin R.
17615
UNA
Aristolochia tomentosa Sims
JSU120334 Madison 11 May 1996 Spaulding, Daniel D.
8303
JSU
Isotrema tomentosa (Sims) C.F. Reed
AUA_ACC_32990 Bibb 24 Jun 1976 Sessler, Ann H.
130
AUA
Isotrema Tomentosum (Sims) Huber
BRIT89044 Chilton 14 May 1999 Kral, Robert
88479
BRIT
Aristolochia tomentosa Sims
TROY000001234 Butler 31 Mar 2007 Diamond, Alvin R.
17350
TROY
Aristolochia tomentosa Sims
UWAL0045632 Limestone 21 May 2019 Finzel, Brian
s.n.
UWAL
Isotrema tomentosa (Sims) H. Huber
UWAL0011281 Houston 05 Apr 2007 Kral, Robert
97848
UWAL
Isotrema tomentosum (Sims) Huber
AMAL00005846 Madison 11 May 1996 Spaulding, Daniel D.
8303
AMAL
Isotrema tomentosum (Sims) Huber
UNA00067013 Sumter 09 Apr 2007 Keener, Brian R.
3474
UNA
Aristolochia tomentosa Sims
AMAL00013092 Houston 05 Apr 2007 Kral, Robert
97848
AMAL
Isotrema tomentosum (Sims) Huber
BRIT89047 Escambia 04 Jun 1972 Kral, Robert
47199
BRIT
Aristolochia tomentosa Sims
JSU120327 Chilton 22 Jul 1982 Whetstone, R. David
11565
JSU
Isotrema tomentosa (Sims) C.F. Reed
AUA_ACC_11202 Elmore 5 May 1963 Rogers, Ken E.
AUA
Isotrema Tomentosum (Sims) Huber
BRIT89059 Tallapoosa 25 Jun 1978 Kral, Robert
62144
BRIT
Aristolochia tomentosa Sims
JSU120403 Tallapoosa 11 May 1999 Kral, Robert
88316
JSU
Isotrema tomentosa (Sims) C.F. Reed
UNA00022037 Jackson 21 Jun 1974 Kral, Robert
53195
UNA
Aristolochia tomentosa Sims
TROY000044804 Geneva 23 Mar 2017 Byrd, Cameron
860
TROY
Isotrema tomentosum (Sims) Huber
AUA_ACC_32967 Perry 30 Jun 1976 Sessler, Ann H.
142
AUA
Isotrema Tomentosum (Sims) Huber
AMAL00014434 Butler 31 Mar 2007 Diamond, Alvin R.
17350
AMAL
Isotrema tomentosum (Sims) Huber
BRIT89045 Covington 24 Jun 1998 MacDonald, John R.
11475
BRIT
Aristolochia tomentosa Sims
JSU120339 Monroe 12 Sep 1997 Whetstone, R. David
18501
JSU
Isotrema tomentosa (Sims) C.F. Reed
UWAL0000333 Morgan 15 Jun 2003 Keener, Brian R.
2589
UWAL
Isotrema tomentosum (Sims) Huber
AUA_ACC_49874 Barbour 16 Apr 1989 Diamond, Alvin R.
5809
AUA
Isotrema Tomentosum (Sims) Huber
UNA00029756 _ Jun _ Mohr, Charles
s.n.
UNA
Aristolochia tomentosa Sims
UWAL0000330 Butler 31 Mar 2007 Diamond, Alvin R.
17350
UWAL
Isotrema tomentosum (Sims) Huber
SAMF0000122 Bibb 19 May 2007 Davenport, Lawrence J.
3723
SAMF
Aristolochia tomentosa Sims
AMAL00010844 Morgan 15 Jun 2003 Keener, Brian R.
2589
AMAL
Isotrema tomentosum (Sims) Huber
BRIT89062 Tuscaloosa 03 Oct 1912 Bartlett, Harley Harris
3308
BRIT
Aristolochia tomentosa Sims
UWAL0045927 Tallapoosa 18 May 2018 Spaulding, Daniel D.
15276
UWAL
Isotrema tomentosa (Sims) Huber
AUA_ACC_56666 Crenshaw 30 May 1996 Diamond, Alvin R.
10281
AUA
Isotrema Tomentosum (Sims) Huber
UNAF0000709 Lauderdale 7 Jul 1997 Cheatham, Traci L.
s.n.
UNAF
Isotrema tomentosum (Sims) H. Huber
AUA_ACC_59282 Chilton 14 May 1999 Kral, Robert
88479
AUA
Isotrema Tomentosum (Sims) Huber
BRIT89061 Tallapoosa 11 May 1999 Kral, Robert
88316
BRIT
Aristolochia tomentosa Sims
TROY000037908 Houston 30 Apr 2013 Diamond, Alvin R.
23969
TROY
Aristolochia tomentosa Sims
UWAL0035279 Franklin 09 Apr 2012 Cobb, Richard
s.n.
UWAL
Isotrema tomentosum (Sims) H. Huber
AUA000036070 Covington 15 Jul 2011 Hansen, Curtis J.
5155
AUA
Isotrema Tomentosum (Sims) Huber
JSU120326 Calhoun 11 Jul 1986 Lawler, Carol L.
764
JSU
Isotrema tomentosa (Sims) C.F. Reed
UWAL0038133 Shelby 01 Oct 2017 Spaulding, Daniel D.
15071
UWAL
Isotrema tomentosum (Sims) Huber
SAMF0007742 Monroe 02 May 2010 Barrett, William
29
SAMF
Isotrema tomentosum (Sims) H. Huber
AUA_ACC_58182 Tallapoosa 2 May 1998 Tyler, Patricia J.
TYLER213
AUA
Isotrema Tomentosum (Sims) Huber
BRIT89064 Sumter 06 Oct 1972 Kral, Robert
48890
BRIT
Aristolochia tomentosa Sims
JSU120335 Madison 22 Sep 1995 Whetstone, R. David
s.n.
JSU
Isotrema tomentosa (Sims) C.F. Reed
UNA00029776 Tuscaloosa 04 Sep 1979 Davenport, Lawrence J.
1592
UNA
Aristolochia tomentosa Sims
JSU120330 Jackson 22 May 1998 Brodeur, Kristin R.
729
JSU
Isotrema tomentosa (Sims) C.F. Reed
JSU142728 Calhoun 27 Jul 1982 Whetstone, R. David
11772
JSU
Isotrema tomentosa (Sims) C.F. Reed
AMAL00014246 Geneva 20 May 2007 Diamond, Alvin R.
17615
AMAL
Isotrema tomentosum (Sims) Huber
UWAL0046896 Autauga 17 Apr 2018 Parker, Matthew R.
1612
UWAL
Isotrema tomentosum (Sims) H. Huber
JSU120332 Jefferson 17 Oct 1975 Radford, Albert E.
s.n.
JSU
Isotrema tomentosa (Sims) C.F. Reed
AUA_ACC_26870 Tallapoosa 12 Aug 1974 Hutto, T.A.
487
AUA
Isotrema Tomentosum (Sims) Huber
BRIT89052 Henry 27 May 1999 MacDonald, John R.
12951
BRIT
Aristolochia tomentosa Sims
TROY000014456 Crenshaw 19 Jun 2008 Diamond, Alvin R.
19451
TROY
Aristolochia tomentosa Sims
BRIT89065 Tallapoosa 12 Aug 1974 Hutto, T.A.
487
BRIT
Aristolochia tomentosa Sims
UWAL0012105 Franklin 08 Mar 2012 Cobb, Richard
s.n.
UWAL
Isotrema tomentosa (Sims) Huber
BRIT89057 Perry 09 May 1977 Sessler, Ann
1203
BRIT
Aristolochia tomentosa Sims
UWAL0019173 Bullock 09 May 2013 Dykes, Bailee
1625
UWAL
Isotrema tomentosum (Sims) Huber
SAMF0000121 Bibb 02 May 2002 Mosley, Matt
7
SAMF
Aristolochia tomentosa Sims
TROY000001235 Conecuh 24 May 2001 Searcy, Darryl
s.n.
TROY
Aristolochia tomentosa Sims
BRIT89060 Blount 17 Aug 1997 Ballard, J. Mark
7387
BRIT
Aristolochia tomentosa Sims
AUA_ACC_59254 Tallapoosa 11 May 1999 Kral, Robert
88316
AUA
Isotrema Tomentosum (Sims) Huber
AMAL00017691 Lauderdale 24 Jun 2009 Holt, Brian D.
SC-56
AMAL
Isotrema tomentosum (Sims) Huber
AUA_ACC_51049 Henry 26 Oct 1989 Diamond, Alvin R.
6558
AUA
Isotrema Tomentosum (Sims) Huber
UNA00029771 Geneva 26 Apr 1967 McDaniel, Sidney
8807
UNA
Aristolochia tomentosa Sims
TROY000032418 Montgomery 15 May 2011 Diamond, Alvin R.
22125
TROY
Aristolochia tomentosa Sims
UWAL0019025 Geneva 04 May 1988 Kral, Robert
74669
UWAL
Isotrema tomentosa (Sims) Huber
BRIT89050 Geneva 26 Apr 1967 McDaniel, Sidney
8807
BRIT
Aristolochia tomentosa Sims
AUA_ACC_49905 Coffee 10 Aug 1989 Diamond, Alvin R.
6244
AUA
Isotrema Tomentosum (Sims) Huber
JSU120340 St. Clair 11 Jul 1986 Lawler, Carol L.
728
JSU
Isotrema tomentosa (Sims) C.F. Reed
UWAL0033772 Sumter 06 Apr 2015 Keener, Brian R.
8731
UWAL
Isotrema tomentosum (Sims) Huber
BRIT89058 Shelby 11 Oct 1997 Spaulding, Daniel D.
10219
BRIT
Aristolochia tomentosa Sims
AMAL00017753 Marshall 08 Jun 1981 Kral, Robert
67376
AMAL
Isotrema tomentosum (Sims) Huber
BRIT89049 Geneva 04 May 1988 Kral, Robert
74669
BRIT
Aristolochia tomentosa Sims
JSU120329 Houston 22 Jun 1984 Whetstone, R. David
14234
JSU
Isotrema tomentosa (Sims) C.F. Reed
UWAL0000331 Dallas 18 Apr 2008 Keener, Brian R.
4234
UWAL
Isotrema tomentosum (Sims) Huber
JSU120338 Marshall 20 Aug 1992 Spaulding, Daniel D.
2695
JSU
Isotrema tomentosa (Sims) C.F. Reed
TROY000029795 Jackson 13 May 2009 Barger, T. Wayne
114
TROY
Aristolochia tomentosa Sims
AUA000038234 Morgan 15 Mar 2017 England, J. Kevin
7501
AUA
Isotrema Tomentosum (Sims) Huber
JSU120331 Jefferson 17 Oct 1975 Radford, Albert E.
s.n.
JSU
Isotrema tomentosa (Sims) C.F. Reed
AUA_ACC_10755 Tallapoosa 5 May 1963 Coats, Euel
AUA
Isotrema Tomentosum (Sims) Huber
BRIT89048 Geneva 26 Jul 1999 MacDonald, John R.
13309
BRIT
Aristolochia tomentosa Sims
TROY000014458 Geneva 20 May 2007 Diamond, Alvin R.
17615
TROY
Aristolochia tomentosa Sims
UNA00055987 Covington 24 Jun 1998 MacDonald, John R.
11475
UNA
Aristolochia tomentosa Sims
AUA_ACC_2049 Chambers 9 Apr 1954 Marsh, Marlin W.
AUA
Isotrema Tomentosum (Sims) Huber
BRIT89046 Dallas 03 May 1977 Sessler, Ann
1185
BRIT
Aristolochia tomentosa Sims
TROY000014144 Marshall 08 Jun 1981 Kral, Robert
67376
TROY
Aristolochia tomentosa Sims
BRIT89055 Lawrence 03 Jun 1971 Kral, Robert
42827
BRIT
Aristolochia tomentosa Sims
JSU120328 Escambia 4 Jun 1972 Kral, Robert
47199
JSU
Isotrema tomentosa (Sims) C.F. Reed
AUA_ACC_61392 Choctaw 8 Jun 1995 Crouch, Virginia E.
1423
AUA
Isotrema Tomentosum (Sims) Huber
BRIT89054 Jackson 21 Jun 1974 Kral, Robert
53195
BRIT
Aristolochia tomentosa Sims
UNA00058850 Chilton 14 May 1999 Kral, Robert
88479
UNA
Aristolochia tomentosa Sims
JSU120402 Shelby 11 Oct 1997 Spaulding, Daniel D.
10219
JSU
Isotrema tomentosa (Sims) C.F. Reed
AUA_ACC_33101 Dallas 3 Aug 1976 Sessler, Ann H.
272
AUA
Isotrema Tomentosum (Sims) Huber
TROY000014455 Dallas 18 Apr 2008 Keener, Brian R.
4234
TROY
Aristolochia tomentosa Sims
UNA00048652 Chilton 29 Apr 1987 Haynes, Robert R.
8942
UNA
Aristolochia tomentosa Sims
UNAF0000710 Lauderdale 11 Jul 1992 Hart, Margaret
s.n.
UNAF
Isotrema tomentosum (Sims) H. Huber
UWAL0000332 Marshall 08 Jun 1981 Kral, Robert
67376
UWAL
Isotrema tomentosum (Sims) Huber
AUA_ACC_44542 Conecuh 13 Sep 1985 Diamond, Alvin R.
AUA
Isotrema Tomentosum (Sims) Huber
UNA00058762 Morgan 15 Jun 2003 Keener, Brian R.
2589
UNA
Aristolochia tomentosa Sims
JSU120336 Madison 22 Sep 1995 Whetstone, R. David
s.n.
JSU
Isotrema tomentosa (Sims) C.F. Reed
BRIT89053 Jackson 01 Jun 1993 Ballard, J. Mark
2429
BRIT
Aristolochia tomentosa Sims
AUA_ACC_62632 Monroe 18 Apr 2003 Valente, M.J.
46
AUA
Isotrema Tomentosum (Sims) Huber
BRIT89056 Marshall 08 Jun 1981 Kral, Robert
67376
BRIT
Aristolochia tomentosa Sims
JSU120337 Marshall 30 May 1993 Spaulding, Daniel D.
4057
JSU
Isotrema tomentosa (Sims) C.F. Reed
TROY000038603 Bullock 09 May 2013 Dykes, Bailee
1625
TROY
Isotrema tomentosum (Sims) Huber
AUA_ACC_56538 Pike 26 May 1996 Diamond, Alvin R.
10268
AUA
Isotrema Tomentosum (Sims) Huber
UNA00066680 Butler 31 Mar 2007 Diamond, Alvin R.
17350
UNA
Aristolochia tomentosa Sims
JSU120401 Shelby 20 Jul 1993 Whetstone, R. David
s.n.
JSU
Isotrema tomentosa (Sims) C.F. Reed
AUA_ACC_33816 Bibb 18 Apr 1977 Sessler, Ann H.
1053
AUA
Isotrema Tomentosum (Sims) Huber
BRIT89051 Greene 09 May 1969 McDaniel, Sidney
11642
BRIT
Aristolochia tomentosa Sims
TROY000001236 Coffee 03 May 2000 Martin, Brian H.
658
TROY
Aristolochia tomentosa Sims
ALNHS00006793 Jackson 28 Apr 2020 Barger, T. Wayne
SP#5092
ALNHS
Isotrema tomentosum (Sims) Huber
JSU120325 Blount 17 Aug 1997 Ballard, J. Mark
7387
JSU
Isotrema tomentosa (Sims) C.F. Reed
UWAL0000334 Sumter 09 Apr 2007 Keener, Brian R.
3474
UWAL
Isotrema tomentosum (Sims) Huber
BRIT89041 Bibb 24 Jun 1976 Sessler, Ann H.
130
BRIT
Aristolochia tomentosa Sims
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