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
Show parent genus | Show parent in key(s)
Heliophily ⓘ: 8
Hover over a shape, letter, icon, or arrow on the map for definition or see the legend.




Feedback
See something wrong or missing on about Silphium asteriscus var. trifoliatum? Let us know here: (Please include your name and email if at all complicated so we can clarify if needed.) We greatly appreciate feedback, and will include updates from you in our next webapp update, which can take a few months. If a species is not keyed, that's because keying is ongoing. Please don't send us feedback about unkeyed species.
Horticultural Information
No horticultural data found for this taxon.