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Cyperaceae
Cyperus

not marked as a favorite taxon *Cyperus serotinus Rottbøll. Common name: Tidalmarsh Flatsedge. Phenology: Jun-Aug. Habitat: Tidal marshes. Distribution: Native of Eurasia. Reported as naturalized in s. NJ, DE, and PA (FNA, Kartesz 1999).

Glossary (beta!)

ID notes: Macroscopically C. serotinus most closely resembles C. rotundus; in addition to the wetland habitat and dorsiventrally compressed achenes, it has spikelets that are more compressed (lanceoloid vs. linear) and is a much more robust plant (5-10 dm vs. 1-4 dm) than the latter species.

Origin/Endemic status: Eurasia

Synonymy ⓘ: = F, FNA23, K4, NS, Pa, POWO; = n/a — C. Basionym: Cyperus serotinus Rottb. 1773

Links to other floras: = Cyperus serotinus - FNA23

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: OBL
  • Eastern Mountains and Piedmont: OBL
  • Northcentral & Northeast: OBL

Heliophily ⓘ: 9

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image #1 of Cyperus serotinus© Karl Feng, some rights reserved (CC BY-NC), uploaded by Karl Feng source CC-BY-NC | Original Image ⭷ Warning: was NOT research grade.
image #2 of Cyperus serotinus© proullard, some rights reserved (CC BY-NC), uploaded by proullard source CC-BY-NC
image #3 of Cyperus serotinus© Anastasia Davydova, some rights reserved (CC BY-NC), uploaded by Anastasia Davydova source CC-BY-NC | Original Image ⭷

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Horticultural Information

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