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Purple Reed Grass
( Calamagrostis purpurascens )
Calamagrostis purpurascens
More Photos at CalPhotos
More Info at Jepson eFlora
Calflora
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About Purple Reed Grass (Calamagrostis purpurascens)
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Calamagrostis purpurascens
, variously known by the common names purple reedgrass, purple pinegrass, or alpine reedgrass is a perennial grass, growing 30 to 70 centimetres (28 in) tall.
Calamagrostis purpurascens
is native from arctic Greenland, to much of Canada (Alberta, British Columbia, Manitoba, Newfoundland, Northwest Territories, Nunavut, Ontario, Quebec, Saskatchewan, and Yukon Territory) and the western and northern U. S. (Alaska, California, Colorado, Idaho, Minnesota, Montana, Nevada, New Mexico, Oregon, South Dakota, Utah, Washington, and Wyoming). It is rare and scattered in the southern U. S. states, such as Louisiana, where it is a post-glacial relict. Further south, C. purpurascens is also known in Chile, where it was recorded by Rodolfo Amando Philippi in 1860. Philippi gave it the name Deyeuxia robusta, now relegated to synonymy. It is also found in Asia (in eastern Siberia). Habitat. C. purpurascens grows in dry mountainous zones, from high up on the foothills to close to the snow-line, often taking root in gaps in the talus, where few other plants can grow. Ecology. Carterocephalus palaemon (arctic skipper) butterflies eat the nectar from C. purpurascens flowers, and their caterpillars feed on the shoots. Ovis canadensis (bighorn sheep) are known to graze this grass.
Plant Description
Plant Type
Grasses
Size
1 - 2.3 ft tall
Flower Color
Brown
Wildlife Supported
Butterflies & moths hosted ( 1
confirmed
, 1
likely
* )
SHOW ALL
Arctic Skipper
Carterocephalus palaemon
Carterocephalus palaemon
*
Yuma Skipper
Ochlodes yuma
Ochlodes yuma
Landscaping Information
Natural Setting
Climate
Annual Precipitation: 11.9" - 94.5", Summer Precipitation: 0.26" - 3.26", Coldest Month: 18.9" - 55.6", Hottest Month: 38.8" - 71.6", Humidity: 0.55" - 18.88", Elevation: 46" - 13654"
Alternative Names
Common Names
: Alpine Reedgrass, Purple Pinegrass, Purple Reedgrass
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Purple Reed Grass
Calamagrostis purpurascens
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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