Flora of the Southeastern United States
2022 Edition


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Cyperus echinatus (Linnaeus) Alph. Wood. Round-headed Flatsedge, Globe Flatsedge. Phen: Jul-Sep. Hab: Sandy woodlands, forests, fields, thin soils on outcrops, sand and gravel bars. Dist: CT and NY west to s. OH, IL, and se. KS, south to n. FL, TX, and ne. Mexico.

Origin/Endemic status: Native

Syn: = Ar, C, ETx1, FNA23, Il, K1, K3, K4, Mo1, NcTx, NE, Pa, Tn, Va, WH3; = Cyperus ovularis – G, GrPl, GW1, RAB, S, Tx, W, WV; > Cyperus ovularis var. ovularis – F; > Cyperus ovularis var. sphaericus – F

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image of plant© Bruce A. Sorrie
image of plant© Joey Shaw source