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Crawe's sedge

Scientific Name: Carex crawei

Family: Cyperaceae

Category: Monocot

Growth: Graminoid

Duration: Perennial

Other Names: CT (Crawe's sedge), IN (Crawe sedge), KY (Crawe's

       

Crawe's Sedge (Carex crawei Dewey)

Crawe's sedge, also known as Craw's sedge and Early Fen Sedge, is a perennial grass-like plant belonging to the family Cyperaceae.

Considerations for Pets

  • This plant is grass-like, and some pets (especially cats) are known to ingest grass.
  • This plant produces seeds which, when dried, might be a choking hazard to smaller animals.

Taxonomy and Nomenclature

  • Scientific Name: Carex crawei Dewey
  • Family: Cyperaceae (Sedge family)
  • Common Names: Crawe's Sedge, Craw's sedge, Early Fen Sedge
  • Taxonomic Status: Accepted species

Distribution and Habitat

  • Crawe's sedge is rare in New England, found primarily in western Connecticut and northern Maine.
  • It is also found, but rare, in Montana.
  • It has been observed in Mackinac County, Michigan, and the Central Platte area.
  • It grows in alvar grasslands, which are grass- and sedge-dominated communities with shallow soil. It also grows in abandoned limestone quarries, fens, and wetlands.

Morphological Characteristics

  • This perennial sedge consists of solitary plants, typically 4-14 inches tall.
  • Each plant has a light green, glabrous (smooth) culm (central stem) that is bluntly 3-angled.
  • The rhizomes are long-creeping.
  • The leaves are light green, with cauline blades that tend to be recurved (bent backwards), ranging from 0.6-9.7 cm in length.
  • It is a graminoid.

Growth Habits

  • Crawe's sedge actively grows during the spring and fall when soil temperatures are cool.
  • It is a perennial plant, meaning it grows year after year.
  • Seed production is approximately 17,500 seeds per ounce.

Quirky Facts

  • The specific epithet "crawei" is named after Ithamar Bingham Crawe (1792-1847), who discovered this plant.

Further Information

  • ABMI Species, version 3.1 (2016-01-07). URL: http://species.abmi.ca/pages/species/vplants/CarexCrawei.html
  • USDA-NRCS PLANTS Database.
  • TERMIUM (Government of Canada's terminology and linguistic data bank).