Silphium radula Nuttall. Phenology: May-Aug. Habitat: Prairies. Distribution: MO south to TX and LA. Sometimes reported as occurring east of the Mississippi River (as by Jones & Coile [1988] for nw. GA), but there appears to be no authoritative evidence to support that. Found in MS (John Kees, pers.comm. 2022).
Origin/Endemic status: Native
Synonymy ⓘ: = GrPl, NcTx, SE1; = n/a — C, F; = Silphium radula Nutt. var. radula — Ar, FNA21, K4; > Silphium reverchonii Bush — Perry (1937). Basionym: Silphium radula Nutt. 1840
Links to other floras: = Silphium radula var. radula - FNA21
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Heliophily ⓘ: 9
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© Sonnia Hill | Original Image ⭷
© Sonnia Hill | Original Image ⭷
© Sonnia Hill | Original Image ⭷
© Sonnia Hill | Original Image ⭷Feedback
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