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flatspike sedge

Scientific Name: Abildgaardia ovata

Family: Cyperaceae

Category: Monocot

Growth: Graminoid

Duration: Perennial

Other Names:

       

Sedges, Spike-rushes, and Flat-Sedges: An Overview

Sedges, spike-rushes, and flat-sedges represent a diverse group of plants, many belonging to the Cyperaceae family. They are often found in a variety of habitats, including flats, muddy soils, and areas near freshwater sources.

Considerations for Pets

  • Some sedges have leaf blades that may be folded, inrolled, or channelled, and others have flat sides.
  • Sedge spikelets are often composed of flowers arranged in tight spirals.

Nomenclature and Taxonomy

  • Family: Cyperaceae (Sedge Family)

Common Names and Examples:

  • Flat Sedge: Blysmus compressus
  • Saltmarsh Flat-sedge: Blysmus rufus
  • Common Spike-rush: Eleocharis palustris
  • Flat Spike-sedge: Eleocharis plana
  • Slender Flat-sedge: Cyperus gracilis
  • Flat-spike Sedge: Carex planispicata
  • White beak-sedge: Rhynchospora alba
  • Wood Clubrush: Scirpus sylvaticus
  • False Fox-sedge: Carex otrubae

Distribution and Habitat

  • Sedges can be found in brackish environments.
  • They commonly inhabit flats or muddy soils, often near freshwater sources.
  • Flat Sedges are found in upland sandy areas.

Morphological Characteristics

  • Leaves: The blade is normally long and flat but may be folded, inrolled, channelled, or absent.
  • Spikelets: Sedge spikelets are often composed of flowers arranged in tight spirals within which each flower is found. Spikelets can be strongly flattened, ovate to oblong, and closely overlapping.

Additional Noteworthy Sedges:

  • Carex planispicata (Flat-spiked Sedge): Characterized as a graminoid perennial plant.
  • Cyperus polystachyos: Also known as Coast flatsedge, Many spiked sedge, Texas sedge, or Bunchy sedge and is similar to rice flat-sedge (Cyperus iria).
  • Abildgaardia ovata: Other English Common Names: Flat-spike Sedge. Synonym: flatspike sedge.
  • Necklace spike sedge: has a distribution restricted to northeastern North America.