Eryngium synchaetum

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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:APIACEAE
Species:Eryngium synchaetum (A. Gray ex J.M. Coult. & Rose) J.M. Coult. & Rose
Common Name:Southern Rattlesnake Master
Habitat:Pinelands, roadsides.
Associated Ecological Communities:**
Growth Habit:Herb
Duration:Perennial
Category:Vascular
USDA Symbol:**
Plant Notes:Southern Rattlesnake Master is a native herbaceous perennial in the Carrot family (Apiaceae). It can be found in the southern half of Alabama. Southern Rattlesnake Master occurs in longleaf pine forest, in open savannahs, around the margins of pitcher plant bogs, and on roadsides. It is a perennial with thick, cord-like roots. Leaves are basal and cauline. The basal leaves form solitary or clusters of rosettes. The cauline leaves are alternate. Leaves are linear or lanceolate in outline, parallel veined, green or bluish-green in color, thick and leathery in texture, with clusters of 2-3 bristles along the margins. Flowers are produced in heads arranged in cymes at the top of an erect flowering stem. The flowering stems are branched near the apex. Each head is subtended by several prominent bracts that are shorter than the head. Individual flowers are greenish-white in color and inconspicuous. Individual flowers have 5 white petals, a pistil divided into 2 white styles and 5 stamens with white filaments and tan anthers. The fruit is mericarp. Southern Rattlesnake Master is an important nectar source for a variety of pollinators, especially native bees, wasps, and moths. It is a larval food plant for the Black Swallowtail (Papilio polyxenes). This species has long been treated as a variety of the Northern Rattlesnake Master (as Eryngium yuccifolium Michaux var. synchaetum A. Gray ex J. M. Coulter & Rose). It differs in being a smaller plant over all with narrower leaves and clusters instead of solitary bristles along the leaf margins.—A. Diamond.
Taxonomic Notes:Eryngium synchaetum has often been treated as a var. of E. yuccifolium. However, it seems sufficiently distinct by several characters to warrant recognition at the species rank. In short, typically E. synchaetum produces much narrower leaves than than E. yuccifolium and produces clusters of bristles (2-3 bristles per cluster) along the leaf margins. The bristles are solitary along the leaf margins of E. yuccifolium.
Status:Native, FAC (NWI)
References:**
Specimen: View specimen details in the Alabama Herbarium Consortium Specimen Database

** Not applicable or data not available.

Classification

FamilyAPIACEAE - Carrot/Parsley family
Genus Eryngium
Species Eryngium synchaetum (A. Gray ex J.M. Coult. & Rose) J.M. Coult. & Rose - Southern Rattlesnake Master

Citation

Citation Eryngium synchaetum (A. Gray ex J.M. Coulter & Rose) J.M. Coulter & Rose, Contr. U.S. Natl. Herb. 7(1): 44. 1900.
Basionym: Eryngium yuccifolium var. synchaetum A. Gray ex J.M. Coult. & Rose 1888.
Type: USA: FLORIDA: Duval Co.: Near Jacksonville, s.d., Curtiss 996 (lectotype: GH). Lectotypified by J. M. Coulter & Rose, Contr. U.S. Natl. Herb. 7: 44. 1900.

** Not applicable or data not available.

Synonyms

SynonymFull CitationBasionymType
Eryngium yuccifolium var. synchaetum Eryngium yuccifolium var. synchaetum A. Gray ex J.M. Coult. & Rose, Rev. N. Amer. Umbell. 94. 1888. FLORIDA: Duval Co.: Near Jacksonville, s.d., Curtiss 996 (lectotype: GH). Lectotypified by J. M. Coulter & Rose, Contr. U.S. Natl. Herb. 7: 44. 1900.

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: Baldwin, Barbour, Butler, Clarke, Coffee, Covington, Dallas, Escambia, Geneva, Houston, Mobile, Monroe, Pike, Russell, Sumter, Washington

Counties represented by specimen data listed below:

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

Range of years during which specimens were collected: 1966 - 1966

Barcode / Accession No.
County
Coll. Date
Collector &
Collection No.
Herbarium &
Herbarium Name Used
Image
AUA000038645 Baldwin 12 Aug 1925 WOLF, WOLFGANG
2366		 AUA
ERYNGIUM YUCCIFOLIUM MICHX. VAR. (SYNCHAETUM) A. GRAY EX COULT. & ROSE
AUA000028468 Baldwin 7 May 1960 MIXON, AUBREY
 AUA
ERYNGIUM YUCCIFOLIUM MICHX. VAR. SYNCHAETUM (GRAY) COULT. & ROSE
AUA000028469 Baldwin 7 May 1960 JONES, JR., SAMUEL B.
295		 AUA
ERYNGIUM YUCCIFOLIUM MICHX. VAR. SYNCHAETUM (GRAY) COULT. & ROSE
USAM000001162 Baldwin 15 Jun 1974 LeLong, Michel G.
7882		 USAM
Eryngium yuccifolium Michaux var. synchaetum A. Gray ex J.M. Coulter & Rose
JSU117849 Baldwin 10 Aug 1993 Spaulding, Daniel D.
4288		 JSU
Eryngium yuccifolium Michaux var. synchaetum Gray ex Coulter & Rose
BRIT70159 Baldwin 07 Jun 1995 Kral, Robert
84930		 BRIT
Eryngium yuccifolium Michaux var. synchaetum A. Gray ex J.M. Coulter & Rose
UWAL0034270 Baldwin 07 Jun 1995 Kral, Robert
84930		 UWAL
Eryngium synchaetum (A. Gray ex Coulter & Rose) Coulter & Rose
AMAL00005703 Baldwin 26 May 2002 Keener, Brian R.
2082		 AMAL
Eryngium yuccifolium Michx. Var synchaetum Gray ex Coult. & Rose
UNA00058089 Baldwin 26 May 2002 Keener, Brian R.
2082		 UNA
Eryngium yuccifolium Michx. var. synchaetum Gray ex Coult. & Rose
AUA000028467 Baldwin 15 May 2008 BARGER, T.WAYNE
PERD-397		 AUA
ERYNGIUM YUCCIFOLIUM MICHX. VAR. (SYNCHAETUM) GRAY EX COULT. & ROSE
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