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Devil's Spineflower
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Chorizanthe rigida
  

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About Devil's Spineflower (Chorizanthe rigida) Chorizanthe rigida, with the common names of devil's spineflower, rigid spineflower, spiny-herb, rigid spiny-herb, is an annual plant in the Polygonaceae family the buckwheats. It is a member of the genus Chorizanthe, the spineflowers and is found in the southwestern United States and northwest Mexico, in the states of California, Nevada, Utah, Arizona, Baja California, and Sonora. Chorizanthe rigida is a common desert plant found in the Sonoran and Mojave Desert - in bajadas (washes), flat mesas that flood with annual rains, and rocky hillsides and ridgelines. A locale range example is its presence in most habitats of the Muggins Mountains Wilderness in southeastern Arizona. In desert flats, the short 3 inch plant can be easily obscured, by downstream-washed debris that easily collects on the spineflower skeleton. Thus small hillocks of debris are found, a spineflower in the core; possibly this is the advantageous form of germinating at least the source location into a second generation. In flat mesas the plant can be hidden under clumps and not seen. On a roadside, its skeleton will be left as a single erect plant, the taller plants being found in the highest water-pooled areas.
Plant Description
Plant Type
Annual herb

Native Status
Native

Natural Setting
Elevation ?
-280' - 5705'

Annual Precip. ?
1.9" - 9.2"

Summer Precip. ?
0.23" - 2.21"

Coldest Month ?
35.4° F - 62.6° F

Hottest Month ?
64.8° F - 91.0° F

Humidity ?
3.28 vpd - 49.17 vpd

Landscaping Information
Nursery Availability
Never or Almost Never Available


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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