Carex conjuncta

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Carex conjuncta
Carex conjuncta drawing 1.png
Illustration from 1913
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Clade: Commelinids
Order: Poales
Family: Cyperaceae
Genus: Carex
Section: Carex sect. Vulpinae
Species:
C. conjuncta
Binomial name
Carex conjuncta
Synonyms [1]
  • Carex vulpinaJ.Carey ex Dewey
  • Vignea conjuncta(Boott) Soják

Carex conjuncta, known as soft fox sedge, [2] is a species of sedge that was first formally named by Francis Boott in 1862. [3] It is endemic to the central and eastern United States. [1]

Contents

Description

Carex conjuncta is a clump forming herbaceous perennial. The old dried stems from the following season persist around the plant. It grows 40–80 cm (16–31 in) tall with stems that are stout but soft, and typically 2 to 4 (though up to 10) mm wide. The perigynia are elongated, 3 to 5 mm long and approximately half as wide, broadest near the base and tapering to a toothed beak. The achenes are 2.2 mm long and 1.4 mm wide. [2] [4]

Distribution and habitat

The natural distribution of Carex conjuncta is in the United States from New York east to Minnesota and South Dakota, south to Virginia and Kansas. It is an uncommon species over much of its natural range, but is more common at the center of its range in Missouri and Illinois. Carex conjuncta is found in damp woods, hardwood swamps, wet meadows, and marsh edges.

In Minnesota it is known from a limited number of locations in alluvial forest in the Cannon River Valley, where it was first found in 1976. [5] In Minnesota it grows in moist forests of Ulmus americana , Juglans nigra , and Acer saccharinum . These forests often flood in the spring, with soils remaining saturated all growing season. In Minnesota, other uncommon species found in association with Carex conjuncta include Carex davisii and Carex grayi . [5]

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<i>Carex brunnescens</i> Species of grass-like plant

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<i>Carex lacustris</i> Species of grass-like plant

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<i>Carex backii</i> Species of grass-like plant

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<i>Carex baileyi</i> Species of grass-like plant

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Carex interrupta is a tussock-forming species of perennial sedge in the family Cyperaceae. It is native to south eastern parts of Canada and north eastern parts of the United States.

References

  1. 1 2 "Carex conjuncta Boott". Plants of the World Online. Royal Botanic Gardens, Kew . Retrieved 27 May 2020.
  2. 1 2 "Carex conjuncta (Soft Fox Sedge): Minnesota Wildflowers". www.minnesotawildflowers.info. Retrieved 2020-12-08.
  3. "Carex conjuncta Boott". The Plant List. 2010. Retrieved 6 December 2014.
  4. "Carex conjuncta in Flora of North America @ efloras.org". www.efloras.org. Retrieved 2020-12-08.
  5. 1 2 Barbara Coffin; Lee Pfannmuller (1988). Minnesota's Endangered Flora and Fauna. U of Minnesota Press. p. 66. ISBN   978-0-8166-1689-3.