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 | |
|---|---|
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| In the Hetch Hetchy valley | |
Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Monocots |
| Clade: | Commelinids |
| Order: | Poales |
| Family: | Cyperaceae |
| Genus: | Carex |
| Species: | C. feta
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| Binomial name | |
| Carex feta | |
| Synonyms[1] | |
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Description
editThe leaf blade is between 2.5 and 5 mm long, with a triangular white patch. The open inflorescence is between 30 and 80 mm long, which are white-green to pale gold in color. The fruit is between 3 and 4.2 mm 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 similar to Carex fracta, but the spikelets are smaller and more distinct.[3] It is between 50 and 100 centimeters in height. The inflorescence is elongated but with overlapping ovate spikes. The female scales are 2.7 to 3.5 mm 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
edit- ^ a b "Carex feta L.H.Bailey". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 14 September 2022.
- ^ "Carex feta L. H. Bailey". The Calflora Database. Calflora. 2022. Retrieved 14 September 2022.
- ^ "Carex feta". ucjeps.berkeley.edu. Retrieved 2023-09-25.
- ^ "OregonFlora". oregonflora.org. Retrieved 2023-09-26.
- ^ 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.