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Carlquistia muirii

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About Muir's Tarplant (Carlquistia muirii) Carlquistia is a rare North American genus of flowering plants in the aster family containing the single species Carlquistia muirii. Formerly named Raillardiopsis muirii, the plant was reexamined in the 1990s and moved to a new genus of its own, separate from similar and closely related genera, such as Madia. Common names for the species include Muir's tarplant, Muir's raillardiopsis, and Muir's raillardella. This plant is related to the silversword alliance of Hawaiian plants. This species Carlquistia muirii is endemic to California. It has a discontinuous distribution, occurring in the southern Sierra Nevada (Fresno, Tulare, and Kern Counties) and on the other western side of the San Joaquin Valley around the Ventana Double Cone in the Santa Lucia Mountains of Monterey County.
Plant Description
Plant Type
Perennial herb

Native Status
Natural Setting
Elevation ?
2932' - 10712'

Annual Precip. ?
11.2" - 50.6"

Summer Precip. ?
0.43" - 2.26"

Coldest Month ?
27.7° F - 49.7° F

Hottest Month ?
48.8° F - 68.0° F

Humidity ?
2.22 vpd - 21.14 vpd

Landscaping Information
Nursery Availability
Never or Almost Never Available

Other Names
Common Names
Muir's Raillardiopsis

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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