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Carex atherodes

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About Wheat Sedge (Carex atherodes) Carex atherodes is a species of sedge known by the common name wheat sedge. It is native to Eurasia and much of North America including most of Canada and the United States. It is a very common wetland plant across the American Midwest and areas west. It grows in moist and wet habitat, such as marshes and moist prairie land, and it may grow in shallow water. This sedge produces triangular, hollow stems 30 to 120 centimeters tall. The leaves are hairy, especially on the lower parts, and the leaf sheath is tinted with reddish purple. The inflorescence is up to 60 centimeters long and made up of several spikes; those spikes near the tip are usually staminate, and those lower in the inflorescence are usually pistillate. The tip of each fruit has two or more long, thin teeth.
Plant Description
Plant Type

Max. Height
1 - 5 ft (0.3 - 1.5 m)


Growth Rate

Flower Color
Green, Purple, Red

Flowering Season

Native Status
Natural Setting
Elevation ?
4062' - 5334'

Annual Precip. ?
11.5" - 18.8"

Summer Precip. ?
1.06" - 1.55"

Coldest Month ?
32.1° F - 36.7° F

Hottest Month ?
59.6° F - 62.5° F

Humidity ?
0.70 vpd - 17.50 vpd

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

Landscaping Information
Nursery Availability
Never or Almost Never Available

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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