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Mojave Thistle
Cirsium mohavense

About Mojave Thistle (Cirsium mohavense) Cirsium mohavense is a species of thistle known by the common name Mojave thistle. It is native to the southwestern United States, where it grows in moist areas in otherwise dry habitat, such as desert springs. It is most common in the Mojave Desert, found also in the southern Great Basin and other nearby regions of California, Nevada, western Arizona, and southwestern Utah. Cirsium mohavense is a biennial or perennial growing up to 2. 5 meters (100 inches or 8 feet 4 inches) tall. The densely woolly stem branches and spreads near the top. The leaves are toothed to deeply lobed, woolly, spiny, and up to 60 centimeters (24 inches) long near the base of the plant. The inflorescence is a spreading array of clusters of flower heads, each generally less than 3 centimeters long and wide. The flower head is coated in spiny phyllaries and filled with white, lavender, or pink flowers. The fruit is an achene a few millimeters long with a pappus on top about 1. 5 centimeters long.
Plant Description
Plant Type
Perennial herb

Max. Height
6.6 - 8.3 ft (2 - 2.5 m)

Flower Color
Pink, Purple

Native Status

Natural Setting
Elevation ?
510' - 8993'

Annual Precip. ?
3.2" - 33.4"

Summer Precip. ?
0.29" - 2.24"

Coldest Month ?
26.4° F - 58.6° F

Hottest Month ?
51.2° F - 87.6° F

Humidity ?
1.76 vpd - 44.12 vpd

Landscaping Information
Nursery Availability
Never or Almost Never Available

Other Names
Common Names
Mohave Thistle

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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