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YOSE219560 Carex pachystachya

Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Monocots
Cladus: Commelinids
Ordo: Poales

Familia: Cyperaceae
Subfamilia: Cyperoideae
Tribus: Cariceae
Genus: Carex
Species: Carex pachystachya
Name

Carex pachystachya Cham. ex Steud., Syn. Pl. Glumac. 2: 197 (1855).
Synonyms

Homotypic
Carex festiva var. pachystachya (Cham. ex Steud.) L.H.Bailey, Mem. Torrey Bot. Club 1: 51 (1889).
Carex macloviana var. pachystachya (Cham. ex Steud.) Kük. in H.G.A.Engler (ed.), Pflanzenr., IV, 20(38): 197 (1909).
Carex macloviana subsp. pachystachya (Cham. ex Steud.) Hultén, Acta Univ. Lund., 2, 38(1): 318 (1942).
Heterotypic
Carex pachystachya var. monds-coulteri Kelso, Biol. Leafl. 64: 2 (1953).
Carex pachystachya f. monds-coulteri (Kelso) F.J.Herm., Leafl. W. Bot. 9: 16 (1959).

Distribution
Native distribution areas:

Continental: Northern America
Alaska, Alberta, Arizona, British Columbia, California, Colorado, Idaho, Montana, Nevada, Oregon, Saskatchewan, Sweden, Utah, Washington, Wyoming, Yukon
Continental: Asia-Temperate
Aleutian Is., Kamchatkax

References: Brummitt, R.K. 2001. TDWG – World Geographical Scheme for Recording Plant Distributions, 2nd Edition
References
Primary references

Steudel, E.G.v. 1855. Synopsis Plantarum Glumacearum. Stuttgartiae 2: 197. 1855

Links

Govaerts, R. et al. 2020. Carex pachystachya in Kew Science Plants of the World online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2020 Jan 30. Reference page.
International Plant Names Index. 2020. Carex pachystachya. Published online. Accessed: Jan 30 2020.
Govaerts, R. et al. 2020. Carex pachystachya in Kew Science Plants of the World online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2020 Jan 30. Reference page.
Tropicos.org 2020. Carex pachystachya. Missouri Botanical Garden. Published online. Accessed: 30 Jan 2020.
USDA, ARS, Germplasm Resources Information Network. Carex pachystachya in the Germplasm Resources Information Network (GRIN), U.S. Department of Agriculture Agricultural Research Service. Accessed: 13 Aug 2006.

Vernacular names
English: chamisso sedge

Carex pachystachya is a species of sedge known by the common name Chamisso sedge.

It is native to western North America from Alaska to Saskatchewan to California. It grows in dry to wet areas in many types of forest and grassland habitat.
Description

Carex pachystachya produces dense clumps of erect stems up to 1.2 metres (3.9 ft) in maximum height.

The inflorescence is a dense or open cluster of several spikes of flowers. The pistillate flowers are covered in reddish or brown bracts.

The fruit is coated in a sac called a perigynium which is brown or coppery with a metallic sheen and a long dark tip.

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