Cyperus haspan

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Common names: Haspan flatsedge [1] , Shethed Flatsedge [2]

Cyperus haspan
Cyperus haspan AFP.jpg
Photo by the Atlas of Florida Plants Database
Scientific classification
Kingdom: Plantae
Division: Magnoliophyta - Flowering plants
Class: Liliopsida - Moncots
Order: Cyperales
Family: Cyperaceae
Genus: Cyperus
Species: C. haspan
Binomial name
Cyperus haspan
L.
CYPE HASP DIST.JPG
Natural range of Cyperus haspan from USDA NRCS Plants Database.

Taxonomic Notes

Synonym: C. haspan var. americanus Bockler

Variety: none

Description

C. haspan is a perennial graminoid of the Cyperaceae family that is native to North America. [1]

Distribution

C. haspan is distributed across the southeastern region of the United States; from Florida north to Virginia and west to Texas. [1]

Ecology

Habitat

Common habitats for C. haspan is in tidal marshes, low fields, ditches, and waterfowl impoundments. It requires full sunlight, it has littler tolerance for shaded regions.[1] [3]

Cyperus haspan has been found to grow well in subtropical and tropical climates and being of the most productive plants in the regions wetlands. [4]

Habitats also include wet prairies, broadleaf marshes, and wetland shrubs. They are found to germinate well in flooded environments. [5]

Specimens have been collected in the following habitats; river banks, moist loamy sands, pine flatwood clearings, ponds, shallow water, hillside bogs. [6]

Phenology

C. haspan has been observed to flower between April and September. Seeds begin to disperse during the summer months. [1] [7]

Fire ecology

Cyperus haspan has a tolerance for low intensity fires.[1]

Conservation and Management

Cultivation and restoration

Has been used in landfill restoration areas. [8]

Photo Gallery

References and notes

  1. 1.0 1.1 1.2 1.3 1.4 1.5 USDA Plant Database
  2. Orzell, S. L. and E. L. Bridges (2006). "Floristic composition of the south-central Florida dry prairie landscape." Florida Ecosystem 1(3): 123-133.
  3. Weakley, A. S. (2015). Flora of the Southern and Mid-Atlantic States. Chapel Hill, NC, University of North Carolina Herbarium.
  4. Akinbile, C., et al. (2012). "Landfill leachate treatment using sub-surface flow constructed wetland by Cyperus haspan." Elsevier.
  5. Wetzel, P., et al. (2001). "Restoration of wetland vegetation on the Kissimmee River Floodplain: Potential role of seed banks." Wetlands 21(2): 189-198.
  6. URL: http://herbarium.bio.fsu.edu. Last accessed: June 2018. Collectors: Sydney Thompson, Culver Gidden, Loran C. Anderson, T. MacClendon, K. MacClendon, R.K. Godfrey, D. B. Ward, D. Burch, R. Kral, States and counties: Florida (Wakulla, Calhoun, Charlotte, Columbia, Dade, Escambia)
  7. Nelson, G. PanFlora: Plant data for the eastern United States with emphasis on the Southeastern Coastal Plains, Florida, and the Florida Panhandle. www.gilnelson.com/PanFlora/ Accessed: 18 MAY 2018
  8. [Akinbile, C., et al. (2012). "Landfill leachate treatment using sub-surface flow constructed wetland by Cyperus haspan." Elsevier.]