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darkgreen sedge

Scientific Name: Carex venusta var. minor

Family: Cyperaceae

Category: Monocot

Growth: Graminoid

Duration: Perennial

Other Names: NY (graceful sedge)

       

Carex Species: A Diverse Genus of Sedges

Sedges encompass a diverse group of plants often found in moist environments. This article explores various species within the Carex genus and other notable sedges.

Considerations for Pets

  • Some sedges may have rough-textured leaves.

Scientific Name and Common Names

  • Several species of Carex have been mentioned.
  • Carex venusta is also known as Darkgreen Sedge and Graceful Sedge. The specific epithet venusta means "beautiful or graceful."
  • Carex binervis is commonly called Green-ribbed Sedge.

Taxonomy and Nomenclature

  • Family: Cyperaceae (Sedge family)
  • Synonyms for Carex venusta include:
    • Carex oblita
    • Carex venusta var.

Distribution and Habitat

  • Little green sedge inhabits river and lake shores, as well as Atlantic shores.
  • Carex venusta has been documented in Charles Co., Maryland.

Morphological Characteristics and Growth Habits

  • Sedges are grass-like plants.
  • Carex brunnea (Narrow Sedge) forms neat, tight clumps up to 1 foot tall with thin, dark green leaves.
  • Davall's Sedge is a cool-season, semi-evergreen clump-forming sedge with dark green, narrow foliage reaching 20 cm (8 inches).
  • Several sedges, including Japanese sedge, have arching leaves.
  • Leaves can vary in color from yellowish green to dark green, and some species exhibit variegated foliage with white or cream edges (e.g., 'Everest', 'Spark Plug').
  • Carex pendula (Weeping Sedge) features dark green arching foliage and striking tall, weeping stems with dark brown flowers.
  • Green kyllinga has narrow, grasslike leaves.
  • The achene (fruit) of some Carex species is black, shiny, and triangular with concave edges.

Interactions with Other Organisms

  • Sedges provide persistent residual waterfowl nesting cover.
  • The text mentions a Green Sedge insect (Rhyacophila species) associated with the Upper Delaware River.

Resources and Further Information

  • Discover Life provides a page about the biology, natural history, ecology, identification, and distribution of Carex venusta.
  • The RHS (Royal Horticultural Society) provides help and information on Carex pendula.