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Deinandra mohavensis

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About Mojave Tarplant (Deinandra mohavensis) Deinandra mohavensis (syn. Hemizonia mohavensis) is a species of flowering plant in the aster family known by the common name Mojave tarplant, or Mojave tarweed. The plant is endemic to California. It has a disjunct distribution, occurring in the southernmost Sierra Nevada, the Mojave Desert, the Peninsular Ranges, and possibly the San Bernardino Mountains. It grows in moister areas in chaparral and riparian zone habitat. Deinandra mohavensis is an annual herb growing 10-100 centimeters (4-40 inches) tall. The stems are hairy and glandular. The leaves are bristly and glandular and smooth-edged or serrated on the edges. The flower heads are borne in clusters or somewhat open arrangements. The heads are lined with very glandular phyllaries. Each contains five yellow ray florets, each about half a centimeter long, and six yellow disc florets. This plant was considered extinct for over 50 years because its historical populations had disappeared. It was rediscovered in 1994 in the San Jacinto Mountains.
Plant Description
Plant Type
Annual herb

Max. Height
0.33 - 3.3 ft (0.1 - 1 m)

Flower Color

Native Status
Natural Setting
Sun, Part Shade

Elevation ?
1526' - 5889'

Annual Precip. ?
6.2" - 24.5"

Summer Precip. ?
0.48" - 2.79"

Coldest Month ?
38.7° F - 50.7° F

Hottest Month ?
65.0° F - 80.5° F

Humidity ?
3.05 vpd - 29.55 vpd

Landscaping Information
Common uses
Bee Gardens

Nursery Availability
Never or Almost Never Available

Other Names
Botanical Names
Hemizonia mohavensis

Common Names
Mojave Tarweed

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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