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blister sedge

Scientific Name: Carex vesicaria var. jejuna

Family: Cyperaceae

Category: Monocot

Growth: Graminoid

Duration: Perennial

Other Names:

       

Carex vesicaria: Bladder Sedge and Blister Sedge

Carex vesicaria is a sedge with a wide distribution, known by several common names. This plant is native to northern North America and is an essentially Holarctic species.

Common Names

  • Bladder Sedge
  • Blister Sedge
  • Inflated Sedge

Taxonomy and Nomenclature

  • Scientific Name: Carex vesicaria L.
  • Family: Cyperaceae (Sedge family)
  • Synonyms:
    • Carex inflata
    • Carex exsiccata (referred to as Western Inflated Sedge)
  • Subspecies:
    • Carex vesicaria var. vesicaria
    • Carex vesicaria var. raeana
    • Carex vesicaria var. monile
    • Carex vesicaria var. distenta

Distribution and Habitat

  • Holarctic species (found throughout the northern regions of the world).
  • Observed in vernal riparian areas, such as those found in the Siskiyou Mountains west of Grants Pass, Oregon.

Ecological Role

  • Common plant associations include Tree willow (Salix arbusculoides) and Drummond's willow (Salix drummondiana).

Morphological Characteristics

  • Perennial sedge
  • Features male (upper) and female spikes

Genetic Information

  • Chromosome number (2n) is reported as 74 or 82.

Traditional Uses

  • The dried fibers have been used as thermal insulation.

Further Information

  • USDA-NRCS PLANTS Database
  • ITIS (Integrated Taxonomic Information System): ITIS #: 39467