Silphium pinnatifidum Elliott. Common name: Tansy Rosinweed. Phenology: Jul-Sep. Habitat: Limestone glades and woodlands, blackland prairies. Distribution: OH and IN south to nw. GA, AL, and ne. MS.
Origin/Endemic status: Native
Synonymy ⓘ: = Il, S, SE1, Tn; = Silphium terebinthinaceum Jacq. var. pinnatifidum (Elliott) A.Gray — F, FNA21, K4, Perry (1937); > Silphium chickamaugense Canby; ~ Silphium lanceolatum Canby non Nutt.; < Silphium terebinthinaceum Jacq. — C, G. Basionym: Silphium pinnatifidum Elliott 1824 [1823]
Links to other floras: = Silphium terebinthinaceum var. pinnatifidum - FNA21
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Wetland Indicator Status:
- Atlantic and Gulf Coastal Plain: FACU (taxonomic split from wetland indicator species)
- Eastern Mountains and Piedmont: FACU (taxonomic split from wetland indicator species)
- Midwest: FAC (taxonomic split from wetland indicator species)
- Northcentral & Northeast: FAC (taxonomic split from wetland indicator species)
Heliophily ⓘ: 9
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© Richard & Teresa Ware CC-BY-NC, permission granted to NCBG | Original Image ⭷
© Richard & Teresa Ware CC-BY-NC, permission granted to NCBG | Original Image ⭷
© Matt Berger, some rights reserved (CC BY), uploaded by Matt Berger source CC-BY | Original Image ⭷
© Matt Berger, some rights reserved (CC BY), uploaded by Matt Berger source CC-BY | Original Image ⭷
© Richard & Teresa Ware CC-BY-NC, permission granted to NCBG | Original Image ⭷
© Joey Shaw source | Original Image ⭷
© Stephan Eselgroth, some rights reserved (CC BY-SA), uploaded by Stephan Eselgroth source CC-BY-SA | Original Image ⭷Feedback
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Horticultural Information
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