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Asteraceae
Silphium

not marked as a favorite taxon Silphium speciosum Nuttall. Phenology: Jul-Sep. Habitat: Prairies, calcareous glades and barrens. Distribution: MO west to NE, south to nw. AR and OK.

Glossary (beta!)

Origin/Endemic status: Endemic

Synonymy ⓘ: = F, Il, Perry (1937); = Silphium integrifolium Michx. var. laeve Torr. & A.Gray — Ar, C, FNA21, G, GrPl, K4, SE1; < Silphium asperrimum Hook. — Tx. Basionym: Silphium speciosum Nutt. 1840

Links to other floras: = Silphium integrifolium var. laeve - FNA21

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Heliophily ⓘ: 9

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image #1 of Silphium speciosum© jim_keesling, some rights reserved (CC BY-NC), uploaded by jim_keesling source CC-BY-NC | Original Image ⭷
image #2 of Silphium speciosum© tallpaultheforester, some rights reserved (CC BY-NC), uploaded by tallpaultheforester source CC-BY-NC | Original Image ⭷
image #3 of Silphium speciosum© Jennifer Ogle, some rights reserved (CC BY-NC), uploaded by Jennifer Ogle source CC-BY-NC, permission granted to NCBG | Original Image ⭷
image #4 of Silphium speciosum© jim_keesling, some rights reserved (CC BY-NC), uploaded by jim_keesling source CC-BY-NC | Original Image ⭷
image #5 of Silphium speciosum© Jennifer Ogle, some rights reserved (CC BY-NC), uploaded by Jennifer Ogle source CC-BY-NC, permission granted to NCBG | Original Image ⭷
image #6 of Silphium speciosum© Jennifer Ogle, some rights reserved (CC BY-NC), uploaded by Jennifer Ogle source CC-BY-NC, permission granted to NCBG | Original Image ⭷
image #8 of Silphium speciosum© jim_keesling, some rights reserved (CC BY-NC), uploaded by jim_keesling source CC-BY-NC | Original Image ⭷
image #10 of Silphium speciosum© jim_keesling, some rights reserved (CC BY-NC), uploaded by jim_keesling source CC-BY-NC | Original Image ⭷
image #12 of Silphium speciosum© Zach DuFran, some rights reserved (CC BY-NC), uploaded by Zach DuFran source CC-BY-NC | Original Image ⭷
image #14 of Silphium speciosum© Jennifer Ogle, some rights reserved (CC BY-NC), uploaded by Jennifer Ogle source CC-BY-NC, permission granted to NCBG | Original Image ⭷
image #16 of Silphium speciosum© Jennifer Ogle, some rights reserved (CC BY-NC), uploaded by Jennifer Ogle source CC-BY-NC, permission granted to NCBG | Original Image ⭷
image #18 of Silphium speciosum© jim_keesling, some rights reserved (CC BY-NC), uploaded by jim_keesling source CC-BY-NC | Original Image ⭷

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Horticultural Information

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