Marsh flat sedge (Cyperus pseudovegetus, Syn. Pl. Glumac. 2: 24 (1854))

Family: Cyperaceae

Author: Steud.

Bibliography: Syn. Pl. Glumac. 2: 24 (1854)

Year: 1854

Status: accepted

Rank: species

Genus: Cyperus

Vegetable: False

Observations: C. & E. U.S.A.

Description

Marsh flat sedge, scientifically known as Cyperus pseudovegetus, is a noteworthy member of the Cyperaceae family. This perennial plant is often recognized for its adaptability and resilience, flourishing predominantly in the central and eastern regions of the United States.

Characterized by its flat, grass-like stems, marsh flat sedge adds a unique texture to the wetland landscapes where it is commonly found. The plant thrives in marshes, wet meadows, and along the edges of streams and ponds, favoring moist to saturated soils. It is an integral component of these ecosystems, contributing to soil stabilization and providing habitat for various wildlife species.

Cyperus pseudovegetus is distinguished by its simple, yet effective reproductive strategy. It produces compact clusters of small, inconspicuous flowers that eventually give way to tiny, wind-dispersed seeds. This reproductive method ensures the widespread distribution of the species across suitable habitats.

Despite its understated appearance, marsh flat sedge plays a crucial ecological role. Its presence helps maintain the hydrological balance of wetlands, preventing erosion and promoting water retention. Additionally, the plant’s dense root systems offer shelter for aquatic and semi-aquatic organisms, supporting biodiversity within its native range.

Further emphasizing its significance, marsh flat sedge was documented in the authoritative work “Synopsis Plantarum Glumacearum” in 1854 by the botanist Steudel. This early classification underscores the plant’s longstanding recognition and the enduring interest it has garnered within botanical circles.

Overall, Cyperus pseudovegetus, or marsh flat sedge, exemplifies the intricate interplay between plant species and their environments, highlighting the importance of preserving our natural wetland habitats.

Common Names

Eng: marsh flat sedge, marsh flatsedge
En: Marsh flat sedge, Marsh flatsedge

Synonyms

• Cyperus calcaratus (S.Watson)

Distribution

• Alabama (native)
• Arkansas (native)
• Delaware (native)
• District of Columbia (native)
• Florida (native)
• Georgia (native)
• Illinois (native)
• Indiana (native)
• Kansas (native)
• Kentucky (native)
• Louisiana (native)
• Maryland (native)
• Missouri (native)
• New Jersey (native)
• North Carolina (native)
• Oklahoma (native)
• South Carolina (native)
• Tennessee (native)
• Texas (native)
• Virginia (native)
• Masachusettes (introduced)
• New York (introduced)

Additional Images

Habit

Taken Jan 1, 1900 by EOL − USDA NRCS Wetland Science Institute. (public)

Taken Jan 13, 2015 by EOL − anewman (cc-by-nc)

Sources

• WFO (No URL)
• IPNI (No URL)
• GBIF (https://www.gbif.org/species/2715990)
• POWO (http://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:30185274-2)
• PlantNet (https://identify.plantnet.org/species/the-plant-list/Cyperus pseudovegetus Steud.)

Specifications

Growth form>: Bunch

Growth habit>: Graminoid

Growth rate>: Moderate

Growth

Ph maximum: 6.8

Ph minimum: 4.6