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Chorizanthe ventricosa
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Potbellied Spineflower
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Chorizanthe ventricosa

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About Potbellied Spineflower (Chorizanthe ventricosa) Chorizanthe ventricosa, common name Priest Valley spineflower, is a plant species endemic to a small region in the Coastal Ranges of west-central California. It is found only on serpentine outcrops in grasslands and pine-oak woodlands at elevations of 500-1000 m. It has been reported from 4 counties: Monterey, San Benito, Fresno and San Luis Obispo. Chorizanthe ventricosa is an herb up to 70 cm tall, forming large spreading colonies. Leaves are up to 5 cm long. Flowers are formed in clusters up to 6 cm across, with green bracts with pointed tips giving the impression of spines. Flowers are 2-colored, white or yellow plus red or maroon.
Plant Description
Plant Type
Annual herb

Max. Height
0.16 - 2.3 ft (0.05 - 0.7 m)

Flower Color
White, Yellow, Red, Purple

Native Status
Natural Setting
Elevation ?
182' - 4226'

Annual Precip. ?
10.4" - 28.6"

Summer Precip. ?
0.23" - 0.82"

Coldest Month ?
40.5° F - 50.0° F

Hottest Month ?
68.1° F - 78.0° F

Humidity ?
0.85 vpd - 26.24 vpd

Landscaping Information
Nursery Availability
Never or Almost Never Available

Other Names
Common Names
Priest Valley Spineflower

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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