Eupatorium pilosum

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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:ASTERACEAE
Species:Eupatorium pilosum Walter
Common Name:Rough Boneset; Ragged Thoroughwort; Hairy Thoroughwort
Habitat:**
Associated Ecological Communities:**
Growth Habit:Herb
Duration:Perennial
Category:Vascular
USDA Symbol:**
Plant Notes:Rough Boneset is a native herbaceous perennial in the Sunflower family (Asteraceae). It can be found primarily in the southern half of the state. Rough Boneset occurs in low pine woods, in bogs, around the margins of ponds, in seeps, and in wet roadside ditches. It is a perennial from a short rhizome. Stems are 3-4 feet in height, reddish or brown in color, branched above the middle, and densely pubescent. Lower leaves are opposite; upper leaves and main branches of the inflorescence are often alternate. Lower leaves are sessile or very short petiolate, elliptic to lance-ovate in outline, pubescent and gland dotted, with serrate margins. The upper leaves smaller, lanceolate in outline, with entire margins. The flowers are produced in heads. The heads are arranged in corymbs. Each head contains 5 white disc flowers. The fruit is an achene.—A. Diamond
Taxonomic Notes:**
Status:Native, FACW (NWI), G5 (Global Rank)
References:**
Specimen: View specimen details in the Alabama Herbarium Consortium Specimen Database

** Not applicable or data not available.

Classification

FamilyASTERACEAE - Aster family
Genus Eupatorium
Species Eupatorium pilosum Walter - Rough Boneset; Ragged Thoroughwort; Hairy Thoroughwort

Citation

Citation Eupatorium pilosum Walter, Fl. Carol. 199. 1788.
Basionym: **
Type: USA: SOUTH CAROLINA: Without data, Fraser/Walter 45-A (neotype: BM). Neotypified by Fernald & Schubert, Rhodora 50: 225-226. 1948; D. B. Ward, J. Bot. Res. Inst. Texas 1: 414. 2007.

** Not applicable or data not available.

Synonyms

SynonymFull CitationBasionymType
Eupatorium lanceolatum Eupatorium lanceolatum Muhlenberg ex Willdenow, Sp. Pl. 3: 1752. 1803.  
Eupatorium rotundifolium var. lanceolatum Eupatorium rotundifolium Linnaeus, var. lanceolatum (Muhlenberg ex Willdenow) Fernald & Griscom, Rhodora 37: 181. 1935.Eupatorium lanceolatum Muhlenberg ex Willdenow 1803. 
Eupatorium verbenifolium var. saundersii Eupatorium verbenifolium Michaux, var. saundersii Porter ex Britton, Man. Fl. N. States 923. 1901. PENNSYLVANIA
Eupatorium rotundifolium var. saundersii Eupatorium rotundifolium Linnaeus, var. saundersii (Porter ex Britton) Cronquist, Rhodora 50: 29. 1948.Eupatorium verbenifolium Michaux, var. saundersii Porter ex Britton 1901. 
Eupatorium verbenifolium    

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, Bullock, Butler, Calhoun, Clarke, Conecuh, Covington, Crenshaw, Dale, DeKalb, Elmore, Escambia, Etowah, Geneva, Houston, Jackson, Lee, Marion, Mobile, Monroe, Montgomery, Pike, Shelby, Washington

Counties represented by specimen data listed below:

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

Range of years during which specimens were collected: 1876 - 1993

Barcode / Accession No. County Coll. Date Collector &
Collection No.		 Herbarium &
Herbarium Name Used		 Image
BRIT92515 Montgomery 03 Oct 2004 Diamond, Alvin R.
14777		 BRIT
Eupatorium pilosum Walter
BRIT92538 Barbour 11 Sep 1968 Kral, Robert
33260		 BRIT
Eupatorium pilosum Walter
TROY000015313 Butler 30 Sep 2007 Diamond, Alvin R.
18439		 TROY
Eupatorium pilosum Walter
BRIT92522 Geneva 15 Aug 1987 Kral, Robert
74271		 BRIT
Eupatorium pilosum Walter
BRIT92527 DeKalb 21 Jul 1968 Kral, Robert
31773		 BRIT
Eupatorium pilosum Walter
TROY000015315 Crenshaw 10 Aug 2008 Diamond, Alvin R.
19771		 TROY
Eupatorium pilosum Walter
UWAL0031900 Dale 14 Aug 1987 Kral, Robert
74230		 UWAL
Eupatorium pilosum Walter
AMAL00016942 Butler 12 Oct 2008 Diamond, Alvin R.
20288		 AMAL
Eupatorium pilosum Walt.
UNA00017200 DeKalb 28 Aug 1970 Kral, Robert
40776		 UNA
Eupatorium pilosum Walt.
TROY000033617 Barbour 20 Aug 2011 Morrison, Derek
14		 TROY
Eupatorium pilosum Walter
UWAL0019285 Jackson 16 Aug 1997 Kral, Robert
87219		 UWAL
Eupatorium pilosum Walter
TROY000036014 Monroe 23 Sep 2012 Diamond, Alvin R.
23430		 TROY
Eupatorium pilosum Walter
UWAL0002867 Escambia 10 Oct 2010 Diamond, Alvin R.
21629		 UWAL
Eupatorium pilosum Walter
UWAL0043095 Baldwin 16 Aug 2000 Larsen, Harry S.
322		 UWAL
Eupatorium pilosum Walter
BRIT92518 Jackson 07 Oct 1969 Kral, Robert
37566		 BRIT
Eupatorium pilosum Walter
AUA000038864 Baldwin 25 Aug 1926 WOLF, WOLFGANG
2668		 AUA
EUPATORIUM PILOSUM WALT.
AUA000041371 Covington 7 Sep 2012 HANSEN, CURTIS J.
5730		 AUA
EUPATORIUM PILOSUM WALT.
BRIT92516 Monroe 19 Sep 1971 Kral, Robert
44373		 BRIT
Eupatorium pilosum Walter
BRIT92514 Shelby 10 Sep 1982 Whetstone, R. David
12312		 BRIT
Eupatorium pilosum Walter
UWAL0015219 Butler 18 Oct 2013 Webb, Wayne K.
s.n.		 UWAL
Eupatorium pilosum Walter
TROY000001992 Conecuh 05 Oct 2003 Searcy, Darryl
s.n.		 TROY
Eupatorium pilosum Walter
UWAL0015352 Clarke 24 Oct 2010 Keener, Brian R.
6241		 UWAL
Eupatorium pilosum Walt.
TROY000001994 Montgomery 03 Oct 2004 Diamond, Alvin R.
14777		 TROY
Eupatorium pilosum Walter
AMAL00009664 Houston 26 Sep 1994 MacDonald, John R.
7804		 AMAL
Eupatorium pilosum Walt.
UWAL0008065 Pike 18 Sep 2011 Diamond, Alvin R.
22558		 UWAL
Eupatorium pilosum Walter
BRIT92535 Bullock 12 Aug 2002 Diamond, Alvin R.
13571		 BRIT
Eupatorium pilosum Walter
AMAL00007569 Dale 07 Aug 1978 Kral, Robert
62469		 AMAL
Eupatorium pilosum Greene
UWAL0018299 Covington 16 Aug 1987 Kral, Robert
74314		 UWAL
Eupatorium pilosum Walt.
JSU110824 Etowah 28 Aug 1994 Hodge, Lesley M.
3295		 JSU
Eupatorium pilosum Walter
BRIT92519 Jackson 16 Aug 1997 Kral, Robert
87219		 BRIT
Eupatorium pilosum Walter
BRIT92528 DeKalb 28 Aug 1970 Kral, Robert
40776		 BRIT
Eupatorium pilosum Walter
TROY000051326 Autauga 05 Oct 2014 Keener, Brian R.
8651		 TROY
Eupatorium pilosum Walter
UNA00045878 Escambia 27 Jun 1993 Anderson, Loran C.
14406		 UNA
Eupatorium pilosum Walt.
UNA00017198 Lee 14 Oct 1876 Mohr, Charles
s.n.		 UNA
Eupatorium pilosum Walt.
AUA000036680 Covington 12 Sep 2011 HANSEN, CURTIS J.
5256		 AUA
EUPATORIUM PILOSUM WALT.
ALNHS00005113 Monroe 24 Aug 2017 Barger, T. Wayne
SP#3282		 ALNHS
Eupatorium pilosum Walt.
TROY000041551 Covington 26 Sep 2014 Diamond, Alvin R.
25559		 TROY
Eupatorium pilosum Walter
UWAL0043096 Baldwin 07 Oct 2002 Larsen, Harry S.
1135		 UWAL
Eupatorium pilosum Walter
BRIT92530 Dale 07 Aug 1978 Kral, Robert
62469		 BRIT
Eupatorium pilosum Walter
AUA000036060 Covington 15 Aug 2011 HANSEN, CURTIS J.
5163		 AUA
EUPATORIUM PILOSUM WALT.
UNA00026719 Mobile 13 Aug _ Mohr, Charles
s.n.		 UNA
Eupatorium pilosum Walt.
BRIT92517 Marion 18 Sep 1969 Kral, Robert
36976		 BRIT
Eupatorium pilosum Walter
BRIT92520 Houston 09 Oct 1994 MacDonald, John R.
7903		 BRIT
Eupatorium pilosum Walter
TROY000038061 Bullock 28 Sep 2012 Dykes, Bailee
1339		 TROY
Eupatorium pilosum Walter
UWAL0000637 Butler 30 Sep 2007 Diamond, Alvin R.
18439		 UWAL
Eupatorium pilosum Walt.
AUA000003717 Montgomery 3 Oct 2004 DIAMOND, JR., ALVIN R.
14777		 AUA
EUPATORIUM PILOSUM WALT.
AUA000003715 Clarke 5 Sep 1970 KRAL, ROBERT
41111		 AUA
EUPATORIUM PILOSUM WALT.
UWAL0000635 Butler 12 Oct 2008 Diamond, Alvin R.
20288		 UWAL
Eupatorium pilosum Walt.
BRIT92537 Bullock 04 Sep 2003 Diamond, Alvin R.
14115		 BRIT
Eupatorium pilosum Walter
TROY000050628 Covington 07 Sep 2012 Hansen, Curtis J.
5730		 TROY
Eupatorium pilosum Walter
JSU110822 DeKalb 11 Aug 1974 Whetstone, R. David
3541		 JSU
Eupatorium pilosum Walter
TROY000015312 Baldwin 27 Aug 2005 Spaulding, Daniel D.
12377		 TROY
Eupatorium pilosum Walter
BRIT92532 Covington 16 Aug 1987 Kral, Robert
74314		 BRIT
Eupatorium pilosum Walter
BRIT92513 Washington 21 Sep 1969 Kral, Robert
37248		 BRIT
Eupatorium pilosum Walter
TROY000032922 Pike 18 Sep 2011 Diamond, Alvin R.
22558		 TROY
Eupatorium pilosum Walter
UWAL0034889 Geneva 15 Aug 1987 Kral, Robert
74271		 UWAL
Eupatorium pilosum Walt.
UNA00026716 Mobile 12 Oct 1878 Mohr, Charles
s.n.		 UNA
Eupatorium pilosum Walt.
AMAL00012674 Baldwin 27 Aug 2005 Spaulding, Daniel D.
12377		 AMAL
Eupatorium pilosum Walt.
UWAL0049188 Bullock 30 Jul 2016 Horne, Howard E.
3437		 UWAL
Eupatorium pilosum Walter
ALNHS00005110 Monroe 24 Aug 2017 Barger, T. Wayne
SP#3281		 ALNHS
Eupatorium pilosum Walt.
TROY000044869 Geneva 14 Sep 2017 Byrd, Cameron
1464		 TROY
Eupatorium pilosum Walter
UWAL0015077 Bullock 28 Sep 2012 Dykes, Bailee
1339		 UWAL
Eupatorium pilosum Walter
BRIT92533 Clarke 06 Sep 1970 Kral, Robert
41111		 BRIT
Eupatorium pilosum Walter
AUA000028940 Baldwin 13 Aug 2008 BARGER, T.WAYNE
PERD-465		 AUA
EUPATORIUM PILOSUM WALT.
UWAL0012659 Monroe 23 Sep 2012 Diamond, Alvin R.
23430		 UWAL
Eupatorium pilosum Walter
BRIT92523 Geneva 17 Sep 2001 Kral, Robert
91912		 BRIT
Eupatorium pilosum Walter
BRIT92525 Elmore 31 Aug 1969 Kral, Robert
36606		 BRIT
Eupatorium pilosum Walter
TROY000033312 Escambia 10 Oct 2010 Diamond, Alvin R.
21629		 TROY
Eupatorium pilosum Walter
UWAL0016349 Covington 26 Sep 2014 Diamond, Alvin R.
25559		 UWAL
Eupatorium pilosum Walter
UNA00026717 DeKalb 10 Sep 1898 Mohr, Charles
s.n.		 UNA
Eupatorium pilosum Walt.
AUA000003716 DeKalb 10 Aug 1973 KRAL, ROBERT
51065		 AUA
EUPATORIUM PILOSUM WALT.
BRIT92521 Geneva 02 Sep 1969 Kral, Robert
36759		 BRIT
Eupatorium pilosum Walter
AMAL00007245 Geneva 17 Sep 2001 Kral, Robert
91912		 AMAL
Eupatorium pilosum Greene
UWAL0047649 Bullock 27 Jul 2016 Soehren, Eric C.
369		 UWAL
Eupatorium pilosum Walt.
JSU139731 Calhoun 04 Oct 2000 Spaulding, Daniel D.
10961		 JSU
Eupatorium pilosum Walter
BRIT92524 Escambia 17 Aug 1978 Kral, Robert
32469		 BRIT
Eupatorium pilosum Walter
BRIT92536 Butler 30 Aug 1970 Kral, Robert
 BRIT
Eupatorium pilosum Walter
AMAL00023322 Autauga 05 Oct 2014 Keener, Brian R.
8651		 AMAL
Eupatorium pilosum Walt.
TROY000001991 Conecuh 01 Oct 2005 Diamond, Alvin R.
15867		 TROY
Eupatorium pilosum Walter
USAM000002180 Baldwin 12 Sep 1980 LeLong, Michel G.
11476		 USAM
Eupatorium pilosum Walter
UNA00026718 Lee 14 Oct 1896 Mohr, Charles
s.n.		 UNA
Eupatorium pilosum Walt.
AUA000033007 Covington 13 Sep 2010 HANSEN, CURTIS J.
4857		 AUA
EUPATORIUM PILOSUM WALT.
TROY000048954 Clarke 24 Oct 2010 Keener, Brian R.
6241		 TROY
Eupatorium pilosum Walter
UWAL0033920 Autauga 05 Oct 2014 Keener, Brian R.
8651		 UWAL
Eupatorium pilosum Walt.
BRIT92526 DeKalb 10 Aug 1973 Kral, Robert
51065		 BRIT
Eupatorium pilosum Walter
TROY000001990 Bullock 04 Sep 2003 Diamond, Alvin R.
14115		 TROY
Eupatorium pilosum Walter
BRIT92531 Dale 14 Aug 1987 Kral, Robert
74239		 BRIT
Eupatorium pilosum Walter
BRIT92534 Clarke 20 Sep 1969 Kral, Robert
37092		 BRIT
Eupatorium pilosum Walter
BRIT92529 DeKalb 14 Oct 1975 Whetstone, R. David
s.n.		 BRIT
Eupatorium pilosum Walter
UWAL0000636 Baldwin 27 Aug 2005 Spaulding, Daniel D.
12377		 UWAL
Eupatorium pilosum Walt.
AMAL00016189 Montgomery 03 Oct 2004 Diamond, Alvin R.
14777		 AMAL
Eupatorium pilosum Walt.
UNA00064417 Montgomery 03 Oct 2004 Diamond, Alvin R.
14777		 UNA
Eupatorium pilosum Walt.
TROY000015316 Pike 24 Sep 2007 Diamond, Alvin R.
18304		 TROY
Eupatorium pilosum Walter
TROY000001989 Bullock 12 Aug 2002 Diamond, Alvin R.
13571		 TROY
Eupatorium pilosum Walter
JSU110823 DeKalb 14 Oct 1975 Whetstone, R. David
7021		 JSU
Eupatorium pilosum Walter
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