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greenfruit sedge
Scientific Name: Carex interrupta
Family: Cyperaceae
Category: Monocot
Growth: Graminoid
Duration: Perennial
Other Names:
About Sedges (Carex)
The genus Carex, commonly known as sedges, encompasses a diverse group of perennial plants belonging to the Cyperaceae, or Sedge family.
Taxonomy and Nomenclature
- Family: Cyperaceae (Sedge family)
- Kingdom: (Implied) Plantae
- Genus: Carex
- Synonyms:
- Carex interrupta is a synonym for Greenfruit Sedge or Green-fruited Sedge.
- Carex arcta is a synonym for Northern Cluster Sedge or Northern Clustered Sedge.
Distribution and Habitat
- Sedges have a global distribution.
- They are frequently found in wetland environments.
- Little Green Sedge inhabits river and lake shores as well as Atlantic shores and islands, specifically noting two subspecies in New England.
Morphological Characteristics
- All Carex species are perennial. Some, like C. bebbii and C. viridula, can fruit in their first year.
- The culms (stems) are unbranched and sharply triangular in cross-section.
- Leaves are typically grass-like.
- The fruit, known as an achene, is dry and single-seeded. It develops from light green to brown as it matures.
Notable Species
- Carex binervis (Green-ribbed Sedge): A European species. Has dark green, shiny, narrow leaves and produces dark purple fruits.
- Carex interrupta (Greenfruit Sedge): Also called green-fruited sedge.
- Carex trichocarpa (Hairy-fruited Sedge): A slender, dark blue-green, grass-like plant.
- Carex stipata (Awl-fruit Sedge): Also known as Common Fox Sedge, Prickly Sedge, or Owl-fruit Sedge.
- Carex annectens (Yellowfruit Sedge): Also known as large fox sedge or yellowhead fox sedge.
- Carex scoparia (Lance-fruited Oval Sedge): A green sedge.
Interactions with Other Organisms
- Carex trichocarpa (Hairy-Fruited Sedge) serves as a host plant for specific organisms.