Carex brunnescens

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Carex brunnescens
Carex brunnescens.jpg
Scientific classification edit
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Clade: Commelinids
Order: Poales
Family: Cyperaceae
Genus: Carex
Subgenus: Carex subg. Vignea
Section:
Species:
C. brunnescens
Binomial name
Carex brunnescens
Synonyms[1]
  • Carex cuta var. brunnescens Pers.
  • Carex canescens var. sphaerostachya Tuck.
  • Carex sphaerostachya (Tuck.) Dewey
  • Carex brunnescens var. gracilio Britt.
  • Carex brunnescens var. sphaerostachya (Tuck.) Kük.

Carex brunnescens, the brownish sedge[2] or green bog sedge,[3] is a species of plant in the sedge family (Cyperaceae). It has a circumboreal distribution, and is native to North America and Eurasia.[4] In the United States it is primarily found in the Northeast and Midwest extending south into the Appalachian Mountains, with disjunct populations westward in the Rocky Mountains.[5] It has a wide-ranging natural habitat, is in found in forests, bogs, fens, and rock outcrops.[4][6]

Carex brunnescens is morphologically variable across its wide range. It has a different morphology when growing in shade vs. sunlight. Shade growing specimens tends to be slender and weak-stemmed with green scales, and sun growing specimens tend to be stiffly erect with brown scales.[4] The degree of variation in this species warrants further taxonomic study.[4]

  • Showing green and arching shade form

References[]

  1. ^ Mohlenbrock RH. (1999). Sedges: Carex. Southern Illinois University Press. p. 93. ISBN 978-0-8093-2074-5.
  2. ^ "Carex brunnescens". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 2018-11-20.
  3. ^ Wilhelm, Gerould; Rericha, Laura (2017). Flora of the Chicago Region: A Floristic and Ecological Synthesis. Indiana Academy of Sciences.
  4. ^ Jump up to: a b c d Carex brunnescens Flora of North America
  5. ^ "Carex brunnescens". County-level distribution map from the North American Plant Atlas (NAPA). Biota of North America Program (BONAP). 2014. Retrieved 11 January 2019.
  6. ^ "Carex brunnescens". Go Botany. New England Wildflower Society. Retrieved 2019-01-11.
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