Silphium compositum var. compositum

Family:ASTERACEAE
Species:Silphium compositum Michaux var. compositum
Common Name:Composite Leaf Rosinweed
Habitat:**
Associated Ecological Communities:**
Growth Habit:**
Duration:**
Category:**
USDA Symbol:**
Plant Notes:Composite Leaf Rosinweed is a native perennial in the Sunflower family (Asteraceae). It occurs throughout most of Alabama, except for the western counties. Composite Leaf Rosinweed grows in Longleaf pine forests, scrub oak sandhills, dry pine and mixed pine/hardwood forests, and in rocky woods. It is a perennial from a taproot. It has large basal leaves that vary in shape from ovate or reniform and toothed to leaves that are deeply pinnately or palmately lobed. They are very large—often twelve to eighteen inches in length. Leafless flower stalks up to eight feet in height are produced in the late spring and summer. Flowers are produced in heads with the typical large rounded phyllaries (bracts subtending the heads) that all Silphiums produce. Ray and disc flowers are yellow. Composite Leaf Rosinweed is available from some wildflower nurseries. It can also be grown from seed. Seed can be sown as soon as they are mature and some will germinate with more germinating the next spring after cool winter temperatures. Plant seed directly in the garden or in deep pots to prevent damage to the long taproots. Composite Leaf Rosinweed is drought tolerant and the seed are eaten by a variety of song birds during the winter. It prefers sandy, well-draining soils and full sunlight. It can be planted towards the back of a bed with other perennials such as Blazing Stars (Liatris), Sunflowers (Helianthus), Asters (Symphyotrichum), and various mints (Salvia, Pycnanthemum).--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 compositum Michaux var. compositum - Composite Leaf Rosinweed

Citation

Citation **
Basionym: **
Type: **

** Not applicable or data not available.

Synonyms

SynonymFull CitationBasionymType
Silphium collinum    
Silphium orae    

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, Bibb, Blount, Butler, Calhoun, Cherokee, Chilton, Clay, Cleburne, Coffee, Conecuh, Coosa, Covington, Crenshaw, Dale, DeKalb, Elmore, Escambia, Etowah, Geneva, Henry, Jefferson, Lee, Macon, Marshall, Monroe, Perry, Pike, Randolph, Russell, St. Clair, Talladega, Tuscaloosa

Counties represented by specimen data listed below:

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

Range of years during which specimens were collected: 1896 - 1987

Barcode / Accession No. County Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
Image
AUA000007357 Conecuh 11 JUN 1987 DIAMOND, JR., ALVIN R.
3357
AUA
SILPHIUM COMPOSITUM MICHAUX
UWAL0001940 Covington 09 Jul 2009 Hansen, C.J.
4132
UWAL
Silphium compositum Michx.
TROY000033655 Barbour 27 Aug 2011 Morrison, Derek
41
TROY
Silphium compositum Michx.
SAMF0005689 Randolph 20 Aug 2011 Davenport, Lawrence J.
4769
SAMF
Silphium compositum Michaux
UNA00013199 Chilton s.d. Smith, Eugene A.
s.n.
UNA
Silphium compositum Michx. var. reniforme (Raf. ex Nutt.) Torr. & Gray
AUA000007364 Geneva 25 JUL 1969 MOORE, HAROLD D.
433-69
AUA
SILPHIUM COMPOSITUM MICHAUX
JSU120381 Calhoun 2 Aug 1986 Lawler, Carol L.
936
JSU
Silphium compositum Michaux
AUA000007355 Conecuh 1 JUL 1971 GUTHRIE, DUDLEY
032
AUA
SILPHIUM COMPOSITUM MICHAUX
JSU120395 Randolph 14 Aug 1986 Nixon, Christopher F.
1614b
JSU
Silphium compositum Michaux
TROY000002790 Russell 04 Aug 2001 Kral, Robert
91765
TROY
Silphium compositum Michx.
JSU120387 Cleburne 11 Sep 1982 Bussey, Melanie G.
286
JSU
Silphium compositum Michaux
TROY000002780 Coffee 09 May 2000 Martin, Brian H.
713
TROY
Silphium compositum Michx.
UNA00065838 Covington 13 Nov 1978 Kral, Robert
63107
UNA
Silphium compositum Michx.
UWAL0030124 Coosa 27 Jul 2015 England, J. Kevin
5545
UWAL
Silphium compositum Michaux var. compositum
AUA000007369 Pike 11 SEP 1989 DIAMOND, JR., ALVIN R.
6369
AUA
SILPHIUM COMPOSITUM MICHAUX
UWAL0036233 Perry 29 Sep 2013 Keener, Brian R.
8176
UWAL
Silphium compositum Michaux
TROY000002785 Crenshaw 30 May 2000 Diamond, Alvin R.
11707
TROY
Silphium compositum Michx.
UNA00049374 Calhoun 24 Jul 1979 Haynes, Robert R.
7469
UNA
Silphium compositum Michx. var. compositum
UNA00013200 Tuscaloosa s.d. Smith, Eugene A.
s.n.
UNA
Silphium compositum Michx. var. compositum
AUA000007360 Covington 10 JUN 1981 O'HALLORAN, K.
191
AUA
SILPHIUM COMPOSITUM MICHAUX
JSU120383 Calhoun 3 Aug 1982 Whetstone, R. David
11793
JSU
Silphium compositum Michaux
AUA000007348 Baldwin 25 JUL 1969 SIMMONDS, E. P.
100
AUA
SILPHIUM COMPOSITUM MICHAUX
JSU120397 Randolph 15 Jul 1988 Nixon, Christopher F.
4036
JSU
Silphium compositum Michaux
TROY000002791 Russell 04 Aug 2001 Kral, Robert
91765
TROY
Silphium compositum Michx.
AUA000007361 Crenshaw 8 JUL 1995 DIAMOND, JR., ALVIN R.
9637
AUA
SILPHIUM COMPOSITUM MICHAUX
TROY000041220 Elmore 19 Sep 2011 Pullen, Robert
251
TROY
Silphium compositum Michaux
AUA000007350 Barbour 25 JUL 1971 FOLSOM, JAMES P.
092
AUA
SILPHIUM COMPOSITUM MICHAUX
JSU120392 Jefferson 7 Sep 1984 Barber, J. Patrick
1082
JSU
Silphium compositum Michaux
JSU120385 Cleburne 19 Aug 1980 Whetstone, R. David
10212
JSU
Silphium compositum Michaux
AUA000007374 Talladega 28 AUG 1975 RUTLAND, DAVID W.
943
AUA
SILPHIUM COMPOSITUM MICHAUX
JSU120391 Etowah 27 Aug 1994 Hodge, Lesley M.
3233
JSU
Silphium compositum Michaux
AUA000024857 Covington 9 JUL 2009 HANSEN, CURTIS J.
4132
AUA
SILPHIUM COMPOSITUM MICHAUX
UNA00049392 Perry 09 Jul 1987 Haynes, Robert R.
9236
UNA
Silphium compositum Michx. var. compositum
TROY000032525 Butler 05 Jun 2011 Diamond, Alvin R.
22198
TROY
Silphium compositum Michx.
UNA00049355 Clay _ Jul 1896 Mohr, Charles
s.n.
UNA
Silphium compositum Michx. var. compositum
TROY000016316 St. Clair 24 Sep 2006 Keener, Brian R.
3064
TROY
Silphium compositum Michx.
UWAL0030151 Blount 21 Aug 1998 Keener, Brian R.
1525
UWAL
Silphium compositum Michx.
JSU120396 Randolph 21 Sep 1986 Nixon, Christopher F.
3143
JSU
Silphium compositum Michaux
UNA00057753 Bibb 13 Jun 1992 Allison, James R.
6712
UNA
Silphium compositum Michx. var. compositum
JSU120380 Calhoun 15 Jul 1969 Landers, Kenneth E.
s.n.
JSU
Silphium compositum Michaux
AUA000007363 Escambia 23 OCT 1982 GRAVES, TOM
86
AUA
SILPHIUM COMPOSITUM MICHAUX
AUA000007371 Russell 12 JUL 1969 MOORE, HAROLD D.
260-69
AUA
SILPHIUM COMPOSITUM MICHAUX
AUA000024856 Covington 9 JUL 2009 HANSEN, CURTIS J.
4132
AUA
SILPHIUM COMPOSITUM MICHAUX
UNA00049391 Perry 09 Jul 1987 Haynes, Robert R.
9236
UNA
Silphium compositum Michx. var. compositum
TROY000002782 Covington 01 Aug 2003 Kral, Robert
94334
TROY
Silphium compositum Michx.
AUA000007375 Talladega 29 AUG 1975 RUTLAND, DAVID W.
1015
AUA
SILPHIUM COMPOSITUM MICHAUX
TROY000002779 Butler 10 May 2007 Diamond, Alvin R.
17539
TROY
Silphium compositum Michx.
AUA000007353 Butler 2 JUL 1989 DIAMOND, JR., ALVIN R.
5935
AUA
SILPHIUM COMPOSITUM MICHAUX
JSU120379 Bibb 14 Aug 1998 Brodeur, Kristin R.
1243
JSU
Silphium compositum Michaux
TROY000002787 Escambia 21 May 2000 Searcy, Darryl
s.n.
TROY
Silphium compositum Michx.
JSU120390 DeKalb 23 Aug 1992 Clearman, F.W., Jr.
247
JSU
Silphium compositum Michaux
JSU120394 Randolph 28 Jul 1988 Nixon, Christopher F.
4130
JSU
Silphium compositum Michaux
UNA00057644 Bibb 19 Aug 2000 Allison, James R.
12508
UNA
Silphium compositum Michx.
TROY000039003 Coosa 11 Oct 2013 Diamond, Alvin R.
24665
TROY
Silphium compositum Michaux
UWAL0018621 Coosa 05 Oct 2014 Keener, Brian R.
8621
UWAL
Silphium compositum Michx.
UWAL0009308 St. Clair 24 Sep 2006 Keener, Brian R.
3064
UWAL
Silphium compositum Michx.
AUA000007359 Coosa 2 SEP 1975 RUTLAND, DAVID W.
1135
AUA
SILPHIUM COMPOSITUM MICHAUX
UNA00049354 Clay 28 Jul 1896 Mohr, Charles
s.n.
UNA
Silphium compositum Michx. var. compositum
UNA00054472 Blount 6 Jul 1998 Keener, Brian R.
1655
UNA
Silphium compositum Michx. var. compositum
TROY000002781 Conecuh 29 Jul 2001 Diamond, Alvin R.
12564
TROY
Silphium compositum Michx.
UNA00049376 Calhoun 24 Jul 1979 Haynes, Robert R.
7469
UNA
Silphium compositum Michx. var. compositum
JSU121241 Talladega 1 Jul 1992 Ballard, J. Mark
240
JSU
Silphium compositum Michaux
UWAL0015861 Coosa 11 Aug 2013 Diamond, Alvin R.
24440
UWAL
Silphium compositum Michaux
JSU120398 Randolph 15 Jul 1988 Nixon, Christopher F.
4036
JSU
Silphium compositum Michaux
AUA000007366 Lee 14 AUG 1971 WISDOM, NALARIA J.
162
AUA
SILPHIUM COMPOSITUM MICHAUX
AUA000007365 Henry 12 AUG 1973 KRAL, ROBERT
51192
AUA
SILPHIUM COMPOSITUM MICHAUX
AUA000007373 Russell 1 JUL 2002 GIL, GLENDA
2001-269
AUA
SILPHIUM COMPOSITUM MICHAUX
AUA000007349 Barbour 17 JUL 1971 MCKITRICK, S. R. L.
084
AUA
SILPHIUM COMPOSITUM MICHAUX
TROY000002788 Escambia 21 May 1995 Brittain, Cynthia L.
266
TROY
Silphium compositum Michx.
SAMF0005690 Cleburne 17 Aug 1979 Davenport, Lawrence J.
1526
SAMF
Silphium compositum Michaux
UNA00012828 Tuscaloosa s.d. Smith, Eugene A.
s.n.
UNA
Silphium compositum Michx. var. compositum
AUA000007356 Conecuh 11 JUN 1987 DIAMOND, JR., ALVIN R.
3357
AUA
SILPHIUM COMPOSITUM MICHAUX
UWAL0001941 Covington 09 Jul 2009 Hansen, C.J.
4132
UWAL
Silphium compositum Michx.
TROY000033654 Barbour 27 Aug 2011 Morrison, Derek
41
TROY
Silphium compositum Michx.
AUA000007351 Barbour 29 JUL 1970 MOORE, HAROLD D.
428
AUA
SILPHIUM COMPOSITUM MICHAUX
JSU120393 Marshall 30 Jul 1992 Spaulding, Daniel D.
2442
JSU
Silphium compositum Michaux
AUA000007352 Bibb 24 AUG 1977 SESSLER, ANN H.
1855
AUA
SILPHIUM COMPOSITUM MICHAUX
JSU120400 Randolph 14 Aug 1986 Nixon, Christopher F.
2614b
JSU
Silphium compositum Michaux
TROY000002783 Covington 01 Aug 2003 Kral, Robert
94334
TROY
Silphium compositum Michx.
AUA000007362 Dale 28 JUN 1992 DIAMOND, JR., ALVIN R.
8343
AUA
SILPHIUM COMPOSITUM MICHAUX
JSU120386 Cleburne 11 Sep 1982 Bussey, Melanie G.
286
JSU
Silphium compositum Michaux
UNA00022705 Marshall 01 Aug 1956 Thomas, Joab L.
207
UNA
Silphium compositum Michx. var. compositum
JSU120389 Cleburne 7 Aug 1994 Hruska, Susan E.
282
JSU
Silphium compositum Michaux
UNA00049375 Calhoun 24 Jul 1979 Haynes, Robert R.
7469
UNA
Silphium compositum Michx. var. compositum
JSU121242 Talladega 1 Jul 1992 Ballard, J. Mark
240
JSU
Silphium compositum Michaux
AUA000007354 Cleburne 12 SEP 1975 RUTLAND, DAVID W.
1683
AUA
SILPHIUM COMPOSITUM MICHAUX
UNA00066891 St. Clair 24 Sep 2006 Keener, Brian R.
3064
UNA
Silphium compositum Michx.
BRIT67480 Talladega 26 Aug 1980 Whetstone, R. David
10291
BRIT
Silphium compositum Michaux
AUA000007347 Autauga 4 AUG 1969 OWENS, JAMES R.
096
AUA
SILPHIUM COMPOSITUM MICHAUX
JSU120382 Calhoun 3 Aug 1982 Whetstone, R. David
11793
JSU
Silphium compositum Michaux
UWAL0011306 Conecuh 08 Jul 2012 Diamond, Alvin R.
23158
UWAL
Silphium compositum Michaux
JSU120399 Randolph 15 Jul 1988 Nixon, Christopher F.
4036
JSU
Silphium compositum Michaux
AUA000007367 Macon 10 JUL 1969 THORNHILL, RANDY
097
AUA
SILPHIUM COMPOSITUM MICHAUX
TROY000002786 Dale 26 Oct 2000 Pennington, Tiffany
1131
TROY
Silphium compositum Michx.
AUA000007372 Russell 1 JUL 2002 GIL, GLENDA
2001-269
AUA
SILPHIUM COMPOSITUM MICHAUX
TROY000051528 Perry 29 Sep 2013 Keener, Brian R.
8176
TROY
Silphium compositum Michaux var. compositum
AUA000007370 Pike 1999 MARTIN, BRIAN
110
AUA
SILPHIUM COMPOSITUM MICHAUX
JSU120388 Cleburne 19 Aug 1980 Whetstone, R. David
10212
JSU
Silphium compositum Michaux
AUA000007376 Chilton 1 OCT 1993 DIAMOND, JR., ALVIN R.
8834
AUA
SILPHIUM COMPOSITUM MICHAUX var. COMPOSITUM
AUA000007358 Coosa 3 SEP 1975 RUTLAND, DAVID W.
1195
AUA
SILPHIUM COMPOSITUM MICHAUX
TROY000038295 Coosa 11 Aug 2013 Diamond, Alvin R.
24440
TROY
Silphium compositum Michaux
UWAL0009307 Cleburne 07 Oct 2007 Keener, Brian R.
3910
UWAL
Silphium compositum Michx.
UNA00012743 Chilton _ Sep 1874 Smith, Eugene A.
s.n.
UNA
Silphium compositum Michx. var. reniforme (Raf. ex Nutt.) Torr. & Gray
BRIT67479 Monroe 07 Jun 1968 Kral, Robert
31266
BRIT
Silphium compositum Michaux
AUA000007368 Pike 20 JUL 1991 DIAMOND, JR., ALVIN R.
7586
AUA
SILPHIUM COMPOSITUM MICHAUX
JSU120378 Bibb 14 Aug 1998 Brodeur, Kristin R.
1243
JSU
Silphium compositum Michaux
TROY000016188 Cleburne 07 Oct 2007 Keener, Brian R.
3910
TROY
Silphium compositum Michx.
JSU120384 Cherokee 10 Jul 1988 Dickson, Catherine C.
1907
JSU
Silphium compositum Michaux
TROY000002789 Pike 01 Apr 1999 Martin, Brian H.
110
TROY
Silphium compositum Michx.
UNA00057645 Bibb 19 Aug 2000 Allison, James R.
12508
UNA
Silphium compositum Michx.
TROY000002784 Covington 13 Nov 1978 Kral, Robert
63107
TROY
Silphium compositum Michx.
UNA00067142 Cleburne 7 Oct 2007 Keener, Brian R.
3910
UNA
Silphium compositum Michx.
UWAL0030123 Coosa 27 Jul 2015 England, J. Kevin
5545
UWAL
Silphium compositum Michaux var. compositum
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