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Asteraceae
Silphium

not marked as a favorite taxon Silphium laciniatum Linnaeus. Common name: Compass-plant. Phenology: Jun-Sep. Habitat: Prairies, limestone barrens, calcareous glades, also sometimes cultivated (including outside of its native distribution). Distribution: S. ON, MI. WI, s. MN, and e. SD southward through to se. TN, s. AL, c. MS, s. LA, c. TX, and n. NM. Populations discovered at outlying sites to the east (Chester Co. VA, Chain Bridge in Washington DC in the 1880s, etc.) are ambiguous as to nativity (R. Wright, pers. comm. 2012).

Glossary (beta!)

Origin/Endemic status: Native

Synonymy ⓘ: = Ar, C, FNA21, G, GrPl, K4, Mi, NcTx, NY, Oh3, SE1, Tn, Tx; = n/a — Pa; > Silphium laciniatum L. var. laciniatum — F, Il, Perry (1937); > Silphium laciniatum L. var. robinsonii L.M.Perry — F, Il, Perry (1937). Basionym: Silphium laciniatum L. 1753

Links to other floras: = Silphium laciniatum - FNA21

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Heliophily ⓘ: 9

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image #1 of Silphium laciniatum© Paul Marcum source | Original Image ⭷
image #2 of Silphium laciniatum© Paul Marcum source | Original Image ⭷
image #3 of Silphium laciniatum© Paul Marcum source
image #5 of Silphium laciniatum© Richard & Teresa Ware CC-BY-NC, permission granted to NCBG | Original Image ⭷
image #6 of Silphium laciniatum© Paul Marcum source
image #8 of Silphium laciniatum© Aidan Campos source
image #9 of Silphium laciniatum© Paul Marcum source
image #10 of Silphium laciniatum© Paul Marcum source | Original Image ⭷
image #11 of Silphium laciniatum© Paul Marcum source
image #12 of Silphium laciniatum© Paul Marcum source
image #14 of Silphium laciniatum© Paul Marcum source
image #15 of Silphium laciniatum© Paul Marcum source
image #17 of Silphium laciniatum© Paul Marcum source

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Horticultural Information

NCBG trait

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native range: eastern & central North America



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