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rough flatsedge

Scientific Name: Cyperus retrofractus

Family: Cyperaceae

Category: Monocot

Growth: Graminoid

Duration: Perennial

Other Names: NJ (rough flatsedge)

       

Rough Flatsedge (Cyperus retrofractus)

Rough Flatsedge, scientifically known as Cyperus retrofractus, is a perennial sedge found in various regions. It belongs to the Cyperaceae family. Below is more information about this interesting plant.

Considerations for Pets

  • Some texts mention "rough margins" on leaves, which might present a minor physical irritant if ingested or handled by pets.
  • The leaves are described as occasionally reaching the inflorescences and can be up to 1/4 inch wide.

Considerations for Children

  • Some texts mention "rough margins" on leaves, which might present a minor physical irritant if handled.
  • The leaves are described as occasionally reaching the inflorescences and can be up to 1/4 inch wide.

Taxonomy and Nomenclature

  • Scientific Name: Cyperus retrofractus (L.) Torr.
  • Common Name: Rough Flatsedge
  • Family: Cyperaceae
  • Synonym: Cyperus dipsaciformis Fern.

Distribution and Habitat

  • Native to the southeastern United States.
  • Found in open, sandy sites.
  • Specific locations mentioned include Worcester Co., Maryland; Pocomoke SF--Furnace, Worcester Co. MD; Rock Run Boat Ramp, Cecil Co. MD; Louisiana, Arkansas, and Oklahoma

Morphological Characteristics

  • Plant Form: Graminoid
  • Flower Color: Green, yellow, brown
  • Culms: Erect, glabrous or rarely slightly rough.
  • Leaves: Blades occasionally reaching inflorescences, up to 1/4 inch wide, glabrous, occasionally rough margins.

Interactions with Other Organisms

  • Rice flatsedge, which shares similarities with rough flatsedge, is considered a weed in container ornamentals, nurseries, landscapes, and turf.

Resources and Further Information

  • Discover Life: Provides information on the biology, natural history, ecology, identification, and distribution of Cyperus retrofractus.
  • USDA Agricultural Research Service: Source of images and potentially further information.
  • Dave's Garden: A community where people share tips and ideas for gardens, along with seeds and plants.
  • USDA-NRCS: Potentially contains information about Rough Bentgrass.