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Carex pachystachya
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Chamisso Sedge
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Carex pachystachya
  

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About Chamisso Sedge (Carex pachystachya) 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, where it grows in dry to wet areas in many types of forest and grassland habitat. This sedge produces dense clumps of erect stems up to 1.2 meters in maximum height. The flower cluster is a dense or open cluster of several spikes of flowers. The pistillate flowers are covered in reddish or brown leafs. The fruit is coated in a sac called a perigynium which is brown or coppery with a metallic sheen and a long dark tip.
Plant Description
Plant Type
Grasses

Max. Height
2 - 3.9 ft (0.6 - 1.2 m)

Form
Upright

Growth Rate
Moderate

Flower Color
Red

Flowering Season
Spring
Spring
Summer
Fall
Winter


Native Status
Native

Natural Setting
Site Type
Spring-moist meadows and open places

Sun
Part Shade

Elevation ?
9' - 9299'

Annual Precip. ?
16.2" - 127.1"

Summer Precip. ?
0.23" - 4.64"

Coldest Month ?
22.6° F - 51.0° F

Hottest Month ?
50.3° F - 75.2° F

Humidity ?
0.31 vpd - 23.76 vpd

Soil Description
Prefers loamy or clay soils. Grows poorly in sandy soils.

Landscaping Information
Nurseries

Sources include: Wikipedia. All text shown in the "About" section of these pages is available under the Creative Commons Attribution-ShareAlike License. Plant observation data provided by the participants of the California Consortia of Herbaria, Sunset information provided by Jepson Flora Project. Propogation from seed information provided by the Santa Barbara Botanical Garden from "Seed Propagation of Native California Plants" by Dara E. Emery. Sources of plant photos include CalPhotos, Wikimedia Commons, and independent plant photographers who have agreed to share their images with Calscape. Other general sources of information include Calflora, CNPS Manual of Vegetation Online, Jepson Flora Project, Las Pilitas, Theodore Payne, Tree of Life, The Xerces Society, and information provided by CNPS volunteer editors, with special thanks to Don Rideout. Climate data used in creation of plant range maps is from PRISM Climate Group, Oregon State University, using 30 year (1981-2010) annual "normals" at an 800 meter spatial resolution.

Links:   Jepson eFlora Taxon Page  CalPhotos  Wikipedia  Calflora

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