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Douglas' Sedge
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Carex douglasii
  

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About Douglas' Sedge (Carex douglasii) Carex douglasii is a species of sedge known by the common name Douglas' sedge. It is native to much of western North America, including the western Canadian provinces, the western United States, and Baja California. It grows in dry, wet, and seasonally moist habitat, from prairie and grassland to marshes. It is tolerant of sandy and alkaline substrates. This sedge produces triangular stems up to about 40 centimeters high from thin rhizomes. The leaves are thick but narrow and sometimes rolled. The plant is dioecious, with male and female flowers occurring on different individuals. The pistillate flower cluster is distinctive, with female flowers bearing long, protruding, persistent stigmas that tangle together into a wide mass.
Plant Description
Plant Type
Grasses

Native Status
Native

Natural Setting
Site Type
Spring-moist sandy, gravelly or alkaline places

Sun
Sun

Elevation ?
36' - 14083'

Annual Precip. ?
5.2" - 72.2"

Summer Precip. ?
0.20" - 2.82"

Coldest Month ?
17.4° F - 50.4° F

Hottest Month ?
36.3° F - 78.3° F

Humidity ?
0.52 vpd - 30.15 vpd

Drainage
Fast

Landscaping Information
Other Names
Common Names
Douglas Sedge


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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