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Carex interior

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About Inland Sedge (Carex interior) Carex interior is a species of sedge known by the common name inland sedge. It is native to much of North America from Alaska to northern Mexico to the mid-Atlantic United States. It grows in wet habitat, most often in calcareous soils. This sedge produces clumps of stems approaching a meter in maximum height, with a few leaves at each stem. The flower cluster is an open array of star-shaped spikes of flowers covered with gold scales. The fruit is coated in a toothed, red-tipped perigynium.
Plant Description
Plant Type

Max. Height
1.5 - 3.3 ft (0.46 - 1 m)


Growth Rate

Flower Color
Green, Yellow

Flowering Season

Native Status

Natural Setting
Site Type
Wet meadows, shores, often calcareous, not in sphagnum bogs

Part Shade

Elevation ?
3669' - 6267'

Annual Precip. ?
22.2" - 67.9"

Summer Precip. ?
1.34" - 2.60"

Coldest Month ?
29.9° F - 42.7° F

Hottest Month ?
55.7° F - 63.1° F

Humidity ?
1.80 vpd - 17.58 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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