Carex utriculata

Carex utriculata is a species of sedge known as Northwest Territory sedge[1] and common yellow lake sedge.[2]

Carex utriculata
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Clade: Commelinids
Order: Poales
Family: Cyperaceae
Genus: Carex
Subgenus: Carex subg. Carex
Section: Carex sect. Vesicariae
Species:
C. utriculata
Binomial name
Carex utriculata
Synonyms

Carex rhynchophysa

Distribution

This sedge is native to the northern half of North America, including most all of Canada and the northern United States, and down to montane California.[1] It is also found in northern Europe and northern Asia. It is a common plant in many types of wetland habitat.

Description

Carex utriculata produces stems exceeding 1 m (3 ft 3 in) in maximum height from a thick network of long rhizomes. The inflorescence is a cylindrical mass of flowers up to about 40 cm (16 in) long with an accompanying leaf-like bract which is generally longer than the flower spike. Each inflorescence bears up to 200 developing fruits, each enclosed in a shiny green, golden, or brown perigynium.

  • Early-season, male above female spikes
  • At Hamilton Lake edge, Sierra Nevada

References
  1. "Carex utriculata". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 2018-11-20.
  2. Wilhelm, Gerould; Rericha, Laura (2017). Flora of the Chicago Region: A Floristic and Ecological Synthesis. Indiana Academy of Sciences.
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