Silphium asteriscus Linnaeus var. trifoliatum (Linnaeus) J.A. Clevinger. Phenology: Jun-Sep. Habitat: Woodlands, roadsides, river scours. Distribution: NY, OH, and IL south to GA and AL.
Origin/Endemic status: Native
Synonymy ⓘ: = FNA21, Il, K4, NY, Pa; = n/a — Tat; = Silphium trifoliatum L. — Oh3, RAB, Tn, WV; = Silphium trifoliatum L. var. trifoliatum — C, G, SE1; < Silphium asteriscus L. — Va; > Silphium atropurpureum Retz. ex Willd. — F, Perry (1937); < Silphium trifoliatum L. — W; > Silphium trifoliatum L. var. trifoliatum — F, Perry (1937). Basionym: Silphium trifoliatum L. 1753
Links to other floras: = Silphium asteriscus var. trifoliatum - FNA21
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Heliophily ⓘ: 8
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© Gary P. Fleming | Original Image ⭷
© Gary P. Fleming | Original Image ⭷
© Gary P. Fleming | Original Image ⭷
© Radford, Ahles and Bell | Original Image ⭷Feedback
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Horticultural Information
No horticultural data found for this taxon.