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Helianthus radula (Pursh) Torrey & A. Gray. Roundleaf Sunflower, Rayless Sunflower. Phen: Late Aug-Oct. Hab: Longleaf pine sandhills and dryish savannas, and dry pine flatwoods. Dist: S. SC south to s. peninsular FL and west to se. LA

ID notes: It is readily distinguishable from all other species of Helianthus by its rosette of orbicular to nearly round leaves, borne flat against the ground.

Origin/Endemic status: Endemic

Synonymy: = Fl7, FNA21, GW2, K1, K3, K4, RAB, S, SE1, WH3

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: FAC

Heliophily ?: 9

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image of plant© Keith Bradley | Original Image ⭷
image of plant© Scott Ward | Original Image ⭷
image of plant© Scott Ward | Original Image ⭷
image of plant© Alan Weakley source | Original Image ⭷

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