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Carex utriculata
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Northwest Territory Sedge
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Carex utriculata

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About Northwest Territory Sedge (Carex utriculata) Carex utriculata is a species of sedge known by the common name Northwest Territory sedge. It is native to the northern half of North America, including most all of Canada and the northern United States. It is also found in parts of Eurasia. It is a common plant in many types of wetland habitat. This colonial sedge produces stems exceeding one meter in maximum height from a thick network of long rhizomes. The flower cluster is a cylindrical mass of flowers up to about 40 centimeters long with an accompanying leaflike leaf which is generally longer than the flower spike. Each flower cluster bears up to 200 developing fruits, each enclosed in a shiny green, golden or brown perigynium.
Plant Description
Plant Type

Max. Height
2 - 4 ft (0.6 - 1.2 m)


Growth Rate

Flower Color

Flowering Season

Native Status

Natural Setting
Site Type
Wet places, shallow water

Part Shade

Elevation ?
116' - 11332'

Annual Precip. ?
12.2" - 115.0"

Summer Precip. ?
0.30" - 3.91"

Coldest Month ?
20.1° F - 48.6° F

Hottest Month ?
40.6° F - 74.1° F

Humidity ?
0.39 vpd - 21.93 vpd

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

Landscaping Information

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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