Biology:Carex amphibola

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Short description: Species of grass-like plant

Carex amphibola
Carex amphibola 27 May 2020.jpg
Closeup of the perigynia
Scientific classification edit
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Clade: Commelinids
Order: Poales
Family: Cyperaceae
Genus: Carex
Section: Carex sect. Griseae
Species:
C. amphibola
Binomial name
Carex amphibola
Steud.[1]

Carex amphibola, known as gray sedge,[2] is a species of flowering plant in the family Cyperaceae.[1] It was first formally named in 1855.[3] Carex amphibola is native to the eastern United States and Canada.[1]

Carex amphibola is commonly confused with Carex grisea, which has somewhat greener perigynia with more rounded tips, versus the gray-green coloring and angular tips of C. amphibola perigynia. The perigynia of C. amphibola are somewhat more clustered and spreading at maturity, while those of C. grisea are strongly ascending.[2]

Carex amphibola grows in mesic deciduous forests, often in loamy areas near streams.[4]

References

  1. 1.0 1.1 1.2 "Carex amphibola Steud.". Royal Botanical Gardens Kew. https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:298540-1. Retrieved 9 August 2020. 
  2. 2.0 2.1 Wilhelm, Gerould; Rericha, Laura (2017). Flora of the Chicago Region: A Floristic and Ecological Synthesis. Indiana Academy of Sciences. 
  3. "Carex amphibola Steud.". International Plant Names Index. http://ipni.org/n/298540-1. Retrieved 9 August 2020. 
  4. Naczi, Robert F. C.; Bryson, Charles T. (2002), "Carex griseae", in Flora of North America Editorial Committee, Flora of North America North of Mexico (FNA), 23, New York and Oxford, http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=242357034, retrieved 9 August 2020 

Wikidata ☰ Q2938215 entry