Silphium trifoliatum var. latifolium

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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:Silphium trifoliatum Linnaeus var. latifolium A. Gray
Common Name:Southern Rosinweed
Habitat:**
Associated Ecological Communities:**
Growth Habit:**
Duration:**
Category:**
USDA Symbol:**
Plant Notes:Southern Rosinweed is a native herbaceous perennial in the Sunflower family (Asteraceae). It is native to the northern two-thirds of Alabama. Southern Rosinweed occurs in prairies, in cedar glades, in open woodlands, in pastures, along fence rows, and on roadsides. It is a perennial from a short rhizome or caudex. The stems are erect, glabrous, often glaucous, unbranched below the inflorescence, and 1-2 meters in height. Leaves are basal and cauline. Basal leaves are usually absent at flowering. Stem leaves are opposite, petiolate to sessile (upper), lanceolate to elliptic in outline, glabrous or sparsely hairy, with entire or toothed margins. Flowers are produced in heads. The heads are arranged in panicles or racemes. The phyllaries (bracts subtending the heads) are green in color, in 2-3 series, and rounded. They are pubescent on their outer surface. Each head has 12-20 yellow ray flowers and 35-130 yellow disc flowers. The pales (bracts subtending individual disc flowers) are non-glandular, but pubescent. Only the ray flowers are fertile. The fruit is an achene. Southern Rosinweed is available from some native plant nurseries. It prefers a well-draining soil in full sun. Plants may require staking to keep them upright.—A. Diamond
Taxonomic Notes:**
Status:Native
References:**
Specimen: View specimen details in the Alabama Herbarium Consortium Specimen Database

** Not applicable or data not available.

Classification

FamilyASTERACEAE - Aster family
Genus Silphium
Species Silphium trifoliatum Linnaeus var. latifolium A. Gray - Southern Rosinweed

Citation

Citation **
Basionym: **
Type: **

** Not applicable or data not available.

Synonyms

SynonymFull CitationBasionymType
Silphium asteriscus var. latifolium    
Silphium glabrum    
Silphium laevigatum    

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, Chilton, Cleburne, Colbert, Crenshaw, Cullman, DeKalb, Etowah, Franklin, Greene, Hale, Jackson, Jefferson, Lauderdale, Lawrence, Lowndes, Marengo, Marshall, Montgomery, Morgan, Pickens, Russell, Shelby, St. Clair, Sumter, Talladega, Tuscaloosa, Walker, Wilcox, Winston

Counties represented by specimen data listed below:

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

Range of years during which specimens were collected: 1880 - 1995

Barcode / Accession No. County Coll. Date Collector &
Collection No.		 Herbarium &
Herbarium Name Used		 Image
TROY000050426 Lawrence 09 Aug 2008 England, J. Kevin
886		 TROY
Silphium trifoliatum Linnaeus var. latifolium A. Gray
JSU121627 Lauderdale 20 Jul 1996 Whetstone, R. David
18243		 JSU
Silphium trifoliatum Linnaeus var. latifolium Gray
JSU121636 Morgan 5 Aug 1974 Atkinson, Tim A.
509		 JSU
Silphium trifoliatum Linnaeus var. latifolium Gray
UWAL0002283 Pickens 04 Jul 2008 Spaulding, Daniel D.
12995		 UWAL
Silphium trifoliatum L. var. latifolium Gray
TROY000002796 Lowndes 09 Sep 2004 Hansen, Curtis J.
1630		 TROY
Silphium trifoliatum Linnaeus var. latifolium A. Gray
UWAL0018594 DeKalb 11 Aug 1973 Kral, Robert
51174		 UWAL
Silphium trifoliatum L. var. latifolium Gray
JSU121626 Jefferson 17 Sep 1983 Whetstone, R. David
12493		 JSU
Silphium trifoliatum Linnaeus var. latifolium Gray
TROY000035431 Crenshaw 26 Sep 2006 Kral, Robert
97692		 TROY
Silphium trifoliatum Linnaeus var. latifolium Gray
JSU121632 Lawrence 6 Aug 1993 Ballard, J. Mark
3111		 JSU
Silphium trifoliatum Linnaeus var. latifolium Gray
UNA00049379 Marshall 20 Aug 1992 Spaulding, Daniel D.
2686		 UNA
Silphium trifoliatum L. var. latifolium Gray
UWAL0002282 Pickens 04 Jul 2008 Spaulding, Daniel D.
12995		 UWAL
Silphium trifoliatum L. var. latifolium Gray
JSU121629 Lawrence 7 Aug 1996 Whetstone, R. David
18331		 JSU
Silphium trifoliatum Linnaeus var. latifolium Gray
UNA00025278 Tuscaloosa 04 Sep 1995 Ginzbarg, Steven L.
1000		 UNA
Silphium trifoliatum L. var. latifolium Gray
JSU121635 Montgomery 19 Jul 1997 Schotz, Alfred
1517		 JSU
Silphium trifoliatum Linnaeus var. latifolium Gray
TROY000049681 Autauga 08 Jun 2017 Parker, Matthew R.
916		 TROY
Silphium trifoliatum Linnaeus var. latifolium A. Gray
JSU133001 Walker 13 Aug 1974 Whetstone, R. David
3697		 JSU
Silphium trifoliatum Linnaeus var. latifolium Gray
UWAL0030456 Winston 24 Aug 2014 Spaulding, Daniel D.
14104		 UWAL
Silphium trifoliatum L. var. latifolium Gray
JSU132752 Shelby 21 Jul 1999 Spaulding, Daniel D.
10684		 JSU
Silphium trifoliatum Linnaeus var. latifolium Gray
UWAL0030446 Bibb 29 May 1970 Kral, Robert
39321		 UWAL
Silphium trifoliatum L. var. latifolium
UNA00056474 Greene 13 Aug 1997 Schotz, Alfred
1535		 UNA
Silphium trifoliatum L. var. latifolium Gray
UWAL0016140 Tuscaloosa 19 Jul 2014 Spaulding, Daniel D.
14064		 UWAL
Silphium trifoliatum L. var. latifolium Gray
JSU121620 Jackson 12 Jul 1999 Brodeur, Kristin R.
2081		 JSU
Silphium trifoliatum Linnaeus var. latifolium Gray
TROY000041602 Bibb 17 Aug 2014 Diamond, Alvin R.
25449		 TROY
Silphium trifoliatum Linnaeus var. latifolium A. Gray
JSU121622 Jackson 5 Aug 1975 Whetstone, R. David
5864		 JSU
Silphium trifoliatum Linnaeus var. latifolium Gray
JSU121612 Cleburne 8 Sep 1983 Whetstone, R. David
13676		 JSU
Silphium trifoliatum Linnaeus var. latifolium Gray
TROY000016213 Bibb 14 Aug 2000 Kral, Robert
90124		 TROY
Silphium trifoliatum Linnaeus var. latifolium A. Gray
JSU121608 Bibb 31 Jul 1998 Whetstone, R. David
19608		 JSU
Silphium trifoliatum Linnaeus var. latifolium Gray
JSU132755 Shelby 20 Jul 1993 Whetstone, R. David
s.n.		 JSU
Silphium trifoliatum Linnaeus var. latifolium Gray
UWAL0009326 Colbert 26 Jul 1981 Kral, Robert
67606		 UWAL
Silphium trifoliatum L. var. latifolia
UNA00049364 Greene 09 Sep 1967 Thomas, Joab L.
1157		 UNA
Silphium trifoliatum L. var. latifolium Gray
JSU121609 Bibb 22 Jul 1982 Whetstone, R. David
11586		 JSU
Silphium trifoliatum Linnaeus var. latifolium Gray
JSU121618 Etowah 17 Jul 1994 Hodge, Lesley M.
2878		 JSU
Silphium trifoliatum Linnaeus var. latifolium Gray
TROY000016216 Colbert 26 Jul 1981 Kral, Robert
67601		 TROY
Silphium trifoliatum Linnaeus var. latifolium A. Gray
UNA00054446 Blount 06 Sep 1998 Keener, Brian R.
1626		 UNA
Silphium trifoliatum L. var. latifolium Gray
JSU121634 Marshall 29 Jun 1992 Spaulding, Daniel D.
2170		 JSU
Silphium trifoliatum Linnaeus var. latifolium Gray
TROY000016219 Sumter 24 Aug 2003 Spaulding, Daniel D.
12037		 TROY
Silphium trifoliatum Linnaeus var. latifolium A. Gray
JSU121614 Cleburne 5 Aug 1982 Whetstone, R. David
11886		 JSU
Silphium trifoliatum Linnaeus var. latifolium Gray
UWAL0019256 Cleburne 03 Aug 1989 Kral, Robert
76835		 UWAL
Silphium trifoliatum L. var. latifolium
BRIT67477 Colbert 26 Jul 1981 Kral, Robert
67606		 BRIT
Silphium trifoliatum Linnaeus var. latifolium A. Gray
ALNHS00005303 Montgomery 22 SEP 2017 Taylor, Chris T.
SP#3507		 ALNHS
Silphium trifoliatum L. var. latifolium A. Gray
JSU121617 Etowah 24 Sep 1994 Hodge, Lesley M.
3882		 JSU
Silphium trifoliatum Linnaeus var. latifolium Gray
UWAL0010200 Crenshaw 26 Sep 2006 Kral, Robert
97692		 UWAL
Silphium trifoliatum L. var. latifolium A. Gray
JSU121611 Blount 17 Aug 1997 Ballard, J. Mark
7395		 JSU
Silphium trifoliatum Linnaeus var. latifolium Gray
UWAL0019186 Chilton 11 Aug 1973 Kral, Robert
51148		 UWAL
Silphium trifoliatum L. var. latifolium Gray
UWAL0016650 Bibb 17 Aug 2014 Diamond, Alvin R.
25449		 UWAL
Silphium trifoliatum Linnaeus var. latifolium A. Gray
TROY000044543 Hale 03 Aug 2008 Spaulding, Daniel D.
13141		 TROY
Silphium trifoliatum Linnaeus var. latifolium A. Gray
JSU121625 Jefferson 13 Jul 1984 Barber, J. Patrick
811		 JSU
Silphium trifoliatum Linnaeus var. latifolium Gray
TROY000035298 Bullock 20 Jul 2012 Diamond, Alvin R.
23178		 TROY
Silphium trifoliatum Linnaeus var. latifolium Gray
UWAL0009939 Hale 03 Aug 2008 Spaulding, Daniel D.
13141		 UWAL
Silphium trifoliatum L. var. latifolium Gray
JSU121631 Lawrence 7 Aug 1996 Whetstone, R. David
18331		 JSU
Silphium trifoliatum Linnaeus var. latifolium Gray
UNA00025277 Tuscaloosa 04 Sep 1995 Ginzbarg, Steven L.
1000		 UNA
Silphium trifoliatum L. var. latifolium Gray
UNA00049377 Cullman _ Jul 1886 Mohr, Charles
s.n.		 UNA
Silphium trifoliatum L. var. latifolium Gray
JSU121628 Lauderdale 20 Jul 1996 Whetstone, R. David
18243		 JSU
Silphium trifoliatum Linnaeus var. latifolium Gray
JSU132760 Walker 13 Aug 1974 Atkinson, Tim A.
704		 JSU
Silphium trifoliatum Linnaeus var. latifolium Gray
UWAL0017773 Franklin 26 Jun 1970 Kral, Robert
39726		 UWAL
Silphium trifoliatum L. var. latifolium Gray
UNA00049365 Sumter 09 Sep 1967 Thomas, Joab L.
1168		 UNA
Silphium trifoliatum L. var. latifolium Gray
JSU121616 DeKalb 23 Jul 1975 Whetstone, R. David
5218		 JSU
Silphium trifoliatum Linnaeus var. latifolium Gray
JSU121607 Bibb 4 Aug 1996 MacDonald, John R.
9805		 JSU
Silphium trifoliatum Linnaeus var. latifolium Gray
TROY000016215 Colbert 26 Jul 1981 Kral, Robert
67606		 TROY
Silphium trifoliatum Linnaeus var. latifolium A. Gray
UNA00063051 Sumter 24 Aug 2003 Spaulding, Daniel D.
12037		 UNA
Silphium trifoliatum L. var. latifolium Gray
UWAL0016359 Montgomery 29 Aug 2014 Diamond, Alvin R.
25487		 UWAL
Silphium trifoliatum Linnaeus var. latifolium A. Gray
JSU121610 Blount 7 Aug 1975 Whetstone, R. David
5911		 JSU
Silphium trifoliatum Linnaeus var. latifolium Gray
UWAL0018929 Marengo 06 Oct 1972 Kral, Robert
48875		 UWAL
Silphium trifoliatum L. var. latifolium Gray
BRIT67478 Colbert 26 Jul 1981 Kral, Robert
67606		 BRIT
Silphium trifoliatum Linnaeus var. latifolium A. Gray
JSU132756 Shelby 1 Oct 1986 Boehm, S.J.
161		 JSU
Silphium trifoliatum Linnaeus var. latifolium Gray
TROY000041556 Montgomery 29 Aug 2014 Diamond, Alvin R.
25487		 TROY
Silphium trifoliatum Linnaeus var. latifolium A. Gray
JSU132759 Walker 13 Aug 1974 Whetstone, R. David
3697		 JSU
Silphium trifoliatum Linnaeus var. latifolium Gray
UWAL0009970 Winston 01 Aug 2009 Spaulding, Daniel D.
13199		 UWAL
Silphium trifoliatum L. var. latifolium Gray
JSU132757 Talladega 2 Aug 1992 Ballard, J. Mark
389		 JSU
Silphium trifoliatum Linnaeus var. latifolium Gray
UWAL0031656 Shelby 11 Aug 1973 Kral, Robert
51158		 UWAL
Silphium trifoliatum L. var. latifolium
UWAL0030455 Winston 24 Aug 2014 Spaulding, Daniel D.
14104		 UWAL
Silphium trifoliatum L. var. latifolium Gray
JSU121623 Jefferson 27 Jul 1984 Barber, J. Patrick
918		 JSU
Silphium trifoliatum Linnaeus var. latifolium Gray
UNA00056206 Barbour 12 Aug 1998 MacDonald, John R.
11709		 UNA
Silphium trifoliatum L. var. latifolium Gray
JSU121621 Jackson 5 Aug 1975 Whetstone, R. David
5864		 JSU
Silphium trifoliatum Linnaeus var. latifolium Gray
JSU121613 Cleburne 8 Sep 1983 Whetstone, R. David
13676		 JSU
Silphium trifoliatum Linnaeus var. latifolium Gray
UNA00058581 Blount 25 Jul 1998 Keener, Brian R.
1325		 UNA
Silphium trifoliatum L. var. latifolium Gray
JSU139015 Blount 17 Jul 1998 Keener, Brian R.
1250		 JSU
Silphium trifoliatum Linnaeus var. latifolium Gray
JSU132754 Shelby 20 Jul 1993 Whetstone, R. David
s.n.		 JSU
Silphium trifoliatum Linnaeus var. latifolium Gray
UWAL0011284 Bullock 20 Jul 2012 Diamond, Alvin R.
23178		 UWAL
Silphium trifoliatum Linnaeus var. latifolium Gray
UNA00049378 Montgomery 18 Jul 1880 Mohr, Charles
s.n.		 UNA
Silphium trifoliatum L. var. latifolium Gray
JSU132753 Shelby 21 Jul 1999 Spaulding, Daniel D.
10684		 JSU
Silphium trifoliatum Linnaeus var. latifolium Gray
UNA00054343 Blount 17 Jul 1998 Keener, Brian R.
1250		 UNA
Silphium trifoliatum L. var. latifolium Gray
UNA00056472 Sumter 25 Jul 1997 Schotz, Alfred
1524		 UNA
Silphium trifoliatum L. var. latifolium Gray
UWAL0016139 Tuscaloosa 19 Jul 2014 Spaulding, Daniel D.
14064		 UWAL
Silphium trifoliatum L. var. latifolium Gray
JSU121619 Jackson 12 Jul 1999 Brodeur, Kristin R.
2081		 JSU
Silphium trifoliatum Linnaeus var. latifolium Gray
TROY000002797 Russell 04 Aug 2001 Kral, Robert
91764		 TROY
Silphium trifoliatum Linnaeus var. latifolium A. Gray
JSU121615 Cleburne 5 Aug 1982 Whetstone, R. David
11886		 JSU
Silphium trifoliatum Linnaeus var. latifolium Gray
JSU132751 St. Clair 9 Sep 1983 Whetstone, R. David
13753		 JSU
Silphium trifoliatum Linnaeus var. latifolium Gray
TROY000020581 Lowndes 15 Aug 2005 Kral, Robert
96717		 TROY
Silphium trifoliatum Linnaeus var. latifolium A. Gray
TROY000043146 Lowndes 29 Aug 2014 Diamond, Alvin R.
25481		 TROY
Silphium trifoliatum Linnaeus var. latifolium A. Gray
JSU133002 Winston 13 Aug 1974 Whetstone, R. David
3657		 JSU
Silphium trifoliatum Linnaeus var. latifolium Gray
UWAL0009969 Winston 01 Aug 2009 Spaulding, Daniel D.
13199		 UWAL
Silphium trifoliatum L. var. latifolium Gray
JSU132758 Talladega 2 Aug 1992 Ballard, J. Mark
389		 JSU
Silphium trifoliatum Linnaeus var. latifolium Gray
UWAL0019304 Pickens 19 Jul 1970 Kral, Robert
40166		 UWAL
Silphium trifoliatum L. var. latifolium Gray
UWAL0047722 Lawrence 09 Aug 2008 England, J. Kevin
886		 UWAL
Silphium trifoliatum Linnaeus var. latifolium A. Gray
TROY000044547 Pickens 04 Jul 2008 Spaulding, Daniel D.
12995		 TROY
Silphium trifoliatum Linnaeus var. latifolium A. Gray
JSU121624 Jefferson 13 Jul 1984 Barber, J. Patrick
811		 JSU
Silphium trifoliatum Linnaeus var. latifolium Gray
TROY000016214 Blount 25 Jul 1998 Keener, Brian R.
1325		 TROY
Silphium trifoliatum Linnaeus var. latifolium A. Gray
UWAL0031529 Morgan 22 Aug 2015 England, J. Kevin
5654		 UWAL
Silphium trifoliatum Linnaeus var. latifolium A.Gray
JSU121633 Marshall 13 Sep 1991 Spaulding, Daniel D.
880		 JSU
Silphium trifoliatum Linnaeus var. latifolium Gray
JSU121630 Lawrence 7 Aug 1996 Whetstone, R. David
18331		 JSU
Silphium trifoliatum Linnaeus var. latifolium Gray
UNA00049388 Wilcox 17 Aug 1982 Gunn, Scott C.
1066		 UNA
Silphium trifoliatum L. var. latifolium Gray
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