Carex feta

Carex feta, the green-sheathed sedge or greensheath sedge, is a species of flowering plant in the family Cyperaceae, native to southwestern British Columbia in Canada, and Washington, Oregon, and California in the United States.[1][2]

Carex feta
In the Hetch Hetchy valley
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Clade: Commelinids
Order: Poales
Family: Cyperaceae
Genus: Carex
Species:
C. feta
Binomial name
Carex feta
Synonyms[1]
  • Carex feta var. multa L.H.Bailey
  • Carex straminea var. mixta L.H.Bailey

Description

The green-bladed leaf blade is between 2.5 to 5 millimeters long, with a triangular white patch. The open inflorescence is between 30 to 80 millimeters long, which are white-green to pale gold in color. The fruit is between 3 to 4.2 millimeters in diameter, green to pale gold in color, and either ovate or wide-ovate. The fruiting time is between the months of May and August. It is like Carex fracta, but the spikelets are smaller and more distinct.[3] It is between 50 to 100 centimeters in height. The inflorescence is elongated but with overlapping ovate spikes. The female scales are 2.7 to 3.5 millimeters long, and either straw-colored or brown. The perigynia is ovate or broadly ovate with a white tipped beak.[4] Its chromosome number is n = 33.[5]

References
  1. "Carex feta L.H.Bailey". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 14 September 2022.
  2. "Carex feta L. H. Bailey". The Calflora Database. Calflora. 2022. Retrieved 14 September 2022.
  3. "Carex feta". ucjeps.berkeley.edu. Retrieved 2023-09-25.
  4. "OregonFlora". oregonflora.org. Retrieved 2023-09-26.
  5. Rothrock, P. E.; Reznicek, A. A. (1998). "Documented Chromosome Numbers 1998: 1. Chromosome Numbers in Carex Section Ovales (Cyperaceae): Additions, Variations, and Corrections". SIDA, Contributions to Botany. 18 (2): 587–592. JSTOR 41967648.


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