Tetragonotheca helianthoides Linnaeus. Squarehead, Pineland-ginseng. Phen: Apr-Jul. Hab: Longleaf pine sandhills, sandy woodlands, open hammocks, calcareous glades, alluvial sand barren grasslands, roadsides. Dist: Se. VA and e. TN south to c. peninsular FL and s. MS.
Origin/Endemic status: Endemic
Synonymy ⓘ: = C, F, Fl7, FNA21, G, K1, K3, K4, RAB, S, SE1, Tn, Va, W, WH3, Turner & Dawson (1980)
Links to other floras: = Tetragonotheca helianthoides - FNA21
Heliophily ⓘ: 7
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