Silphium integrifolium

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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 integrifolium Michx.
Common Name:Entire Leaf Rosinweed
Habitat:**
Associated Ecological Communities:**
Growth Habit:Herb
Duration:Perennial
Category:Vascular
USDA Symbol:SIIN2
Plant Notes:Entire Leaf Rosinweed is a native herbaceous perennial in the Aster family (Asteraceae). It can be found in west and central Alabama. It occurs in prairies, on calcareous outcrops, in open woodlands, along roadsides, and in powerline right-of-ways. Entire Leaf Rosinweed is a perennial from a hardened base or short rhizome. Basal leaves are usually absent at flowering. The stems are from one to six feet in height, and are unbranched below the inflorescence. The stems are round, scabrous or hispid pubescent, and green or reddish-brown in color. Stem leaves are opposite, sessile, ovate to elliptic in outline, pubescent on both surfaces, with entire or rarely toothed margins. The leaves are often clasping. Flowers are produced in heads. The heads are arranged in open panicles. Each plant may have from one to thirty-four heads. The involucral bracts and peduncles are pubescent. Ray flowers number 16-35. Both ray and disc flowers are bright yellow. The fruit is an achene.—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 integrifolium Michx. - Entire Leaf Rosinweed

Citation

Citation Silphium integrifolium Michaux, Fl. Bor.-Amer. 2: 146. 1803.
Basionym: **
Type: **

** Not applicable or data not available.

Synonyms

SynonymFull CitationBasionymType
Silphium integrifolium var. deamii    

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: Clarke, Conecuh, Cullman, Dallas, Greene, Hale, Madison, Marengo, Monroe, Sumter, Walker

Counties represented by specimen data listed below:

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

Range of years during which specimens were collected: 1880 - 1993

Barcode / Accession No. County Coll. Date Collector &
Collection No.		 Herbarium &
Herbarium Name Used		 Image
UWAL0009310 Sumter 25 Sep 2007 Keener, Brian R.
3873		 UWAL
Silphium integrifolium Michx.
AMAL00021384 Marengo 08 Aug 2008 England, Kevin J.
876		 AMAL
Silphium integrifolium Michx
UWAL0030868 Sumter 18 Aug 1987 Kral, Robert
74422		 UWAL
Silphium integrifolium Michx.
TROY000016191 Sumter 25 Sep 2007 Keener, Brian R.
3873		 TROY
Silphium integrifolium Michaux
UNA00049385 Cullman 16 Aug 1886 Mohr, Charles
s.n.		 UNA
Silphium laevigatum Pursh
TROY000046640 Marengo 08 Jul 2013 England, J. Kevin
4375		 TROY
Silphium integrifolium Michaux
SAMF0005687 Conecuh 23 Aug 2014 Diamond, Alvin R.
25458		 SAMF
Silphium integrifolium Michaux
UWAL0008496 Conecuh 10 Jul 2011 Diamond, Alvin R.
22336		 UWAL
Silphium integrifolium Michaux
UWAL0009309 Sumter 29 Oct 2007 Keener, Brian R.
4000		 UWAL
Silphium integrifolium Michx.
UWAL0030870 Sumter 18 Aug 1987 Kral, Robert
74422		 UWAL
Silphium integrifolium Michx.
AUA000007280 Conecuh 26 Aug 1988 Diamond, Alvin R.
5418		 AUA
Silphium Integrifolium Michx.
UNA00022812 Greene 21 Aug 1993 Haynes, Chris G.
s.n.		 UNA
Silphium integrifolium Michx.
UNA00049343 Dallas 26 Jul 1946 Harper, Roland M.
4029		 UNA
Silphium integrifolium Michx.
AMAL00014185 Sumter 25 Sep 2007 Keener, Brian R.
3873		 AMAL
Silphium integrifolium Michx. var. integrifolium
TROY000031999 Clarke 04 Aug 2010 Keener, Brian R.
6137		 TROY
Silphium integrifolium Michaux
TROY000016190 Sumter 29 Oct 2007 Keener, Brian R.
4000		 TROY
Silphium integrifolium Michaux
UWAL0017401 Marengo 08 Jul 2013 England, J. Kevin
4375		 UWAL
Silphium integrifolium Michaux
SAMF0005686 Clarke 05 Aug 2010 Davenport, Lawrence J.
4426		 SAMF
Silphium integrifolium Michaux
UWAL0030869 Sumter 18 Aug 1987 Kral, Robert
74422		 UWAL
Silphium integrifolium Michx.
UWAL0001691 Clarke 04 Aug 2010 Keener, Brian R.
6137		 UWAL
Silphium integrifolium Michx.
AMAL00014505 Clarke 04 Aug 2010 Keener, Brian R.
6137		 AMAL
Silphium integrifolium Michx.
UNA00049384 Walker 26 Jun 1880 Mohr, Charles
s.n.		 UNA
Silphium laevigatum Pursh
UWAL0003116 Monroe 14 Sep 2011 Webb, Wayne K.
s.n.		 UWAL
Silphium integrifolium Michaux
UNA00068862 Sumter 25 Sep 2007 Keener, Brian R.
3873		 UNA
Silphium integrifolium Michx.
TROY000032392 Conecuh 10 Jul 2011 Diamond, Alvin R.
22336		 TROY
Silphium integrifolium Michaux
SAMF0003232 Sumter 18 Aug 1987 Kral, Robert
74422		 SAMF
Silphium integrifolium Michaux
AMAL00021114 Madison 17 Aug 2013 Spaulding, Daniel D.
13827		 AMAL
Silphium integrifolium Michx. var. integrifolium
UWAL0016674 Conecuh 23 Aug 2014 Diamond, Alvin R.
25458		 UWAL
Silphium integrifolium Michaux
UNA00022762 Hale 29 Aug 1993 Haynes, Chris G.
s.n.		 UNA
Silphium integrifolium Michx.
UNA00049386 Walker _ Aug 1880 Mohr, Charles
s.n.		 UNA
Silphium laevigatum Pursh
AMAL00015545 Sumter 29 Oct 2007 Keener, Brian R.
4000		 AMAL
Silphium integrifolium Michx.
TROY000033870 Monroe 14 Sep 2011 Webb, Wayne K.
s.n.		 TROY
Silphium integrifolium Michaux
UWAL0030871 Sumter 18 Aug 1987 Kral, Robert
74422		 UWAL
Silphium integrifolium Michx.
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