Silphium asteriscus Linnaeus var. asteriscus . Phen: Jul-Sep. Hab: Woodlands, roadsides. Dist: NC, SC, s. VA, e. TN and e. KY.
Origin/Endemic status: Native
Taxonomy Comments: S. asteriscus var. asteriscus, in this narrow sense, is a taxon primarily found from the Appalachian Mountains eastward. Most records west of the Appalachian Mountains are generally referable to S. asperrimum, S. radula, or S. asteriscus var. latifolium.
Synonymy: = Silphium asteriscus L. – Tn, Perry (1937); < Silphium asteriscus L. – F, Fl7, G, Va, W, WH3; >< Silphium asteriscus L. – RAB, S; < Silphium asteriscus L. var. asteriscus – C, FNA21, K1, K3, K4; > Silphium asteriscus L. var. asteriscus – SE1; > Silphium asteriscus L. var. scabrum Nutt. – SE1; ?> Silphium dentatum Elliott var. gatesii (Mohr) H.E.Ahles – RAB; > Silphium scaberrimum Elliott – S
Heliophily ?: 7
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© Richard & Teresa Ware CC-BY-NC, permission granted to NCBG | Original Image ⭷
© Stephan Eselgroth, some rights reserved (CC BY-SA), uploaded by Stephan Eselgroth source CC-BY-SA | Original Image ⭷
no rights reserved, uploaded by Mason Brock source CC0 | Original Image ⭷
© Scott Ward | Original Image ⭷
no rights reserved, uploaded by Mason Brock source CC0 | Original Image ⭷
© Richard & Teresa Ware CC-BY-NC, permission granted to NCBG | Original Image ⭷Feedback
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