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Carex mariposana

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About Mariposa Sedge (Carex mariposana) Carex mariposana is a species of sedge known by the common name Mariposa sedge. This sedge is native to the Sierra Nevada of California and far western Nevada, where it grows in moist areas such as meadows. This sedge is native to the Sierra Nevada of California and far western Nevada, where it grows in moist areas such as meadows. Carex mariposana produces dense clumps of stems up to about 90 centimeters in maximum height and narrow leaves up to about 30 centimeters long. The inflorescence is a dense or open cluster of gold, brown, or reddish spikes. The fruit is covered with a sac called a perigynium which is generally greenish or coppery brown, veined, and winged.
Plant Description
Plant Type

Max. Height
2 - 3 ft (0.6 - 0.9 m)


Growth Rate

Flower Color
Yellow, Red, Brown

Flowering Season

Native Status

Natural Setting
Elevation ?
494' - 11883'

Annual Precip. ?
8.7" - 151.1"

Summer Precip. ?
0.30" - 5.63"

Coldest Month ?
19.6° F - 48.4° F

Hottest Month ?
41.1° F - 74.1° F

Humidity ?
0.65 vpd - 21.98 vpd

Soil Description
Prefers sandy or loamy soils. Does not grow well in clay 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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