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Mojave Cottonthorn
Tetradymia stenolepis
About Mojave Cottonthorn (Tetradymia stenolepis) 0 Nurseries Carry This Plant Tetradymia stenolepis is a species of flowering plant in the aster family known by the common name Mojave cottonthorn. It is native to the deserts around the intersection of Arizona, Nevada, and eastern California, where it grows in woodland and scrub habitat on sandy and gravelly substrates. It is a bushy shrub with many branches coated in woolly white fibers and growing to a maximum height just over a meter. The narrow leaves are 2 or 3 centimeters long and harden into straight, sharp spines. Clusters of woolly leaves grow near the spines. The inflorescence bears up to 7 flower heads which are each enveloped in four or five woolly phyllaries. Each head contains up to four or five tubular yellow flowers each around a centimeter long. The fruit is a hairy achene which may be nearly 2 centimeters long, including its pappus of long bristles.
Plant Description
Plant Type
Plant Type

3.3 ft tall

Wildlife Supported

Butterflies & moths hosted ( 1 likely * ) SHOW ALL
Hemileuca burnsi Image
Hemileuca burnsiHemileuca burnsi

Landscaping Information
Natural Setting
Annual Precipitation: 3.4" - 24.5", Summer Precipitation: 0.25" - 2.84", Coldest Month: 39.4" - 55.4", Hottest Month: 58.5" - 86.0", Humidity: 3.39" - 40.39", Elevation: 934" - 7932"

Alternative Names
Common Names: Mojave Horsebrush

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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