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Caulanthus simulans
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Payson's Jewelflower
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Caulanthus simulans

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About Payson's Jewelflower (Caulanthus simulans) Caulanthus simulans is a species of flowering plant in the mustard family known by the common names Payson's wild cabbage and Payson's jewelflower. It is endemic to southern California, where it is known mainly from open, dry habitat in the hills and deserts of Riverside and San Diego Counties. It is a bristly annual herb with deeply cut leaves, the longest arranged in cluster around the base of the stem. The flower is covered in thick, purple-tinted greenish sepals which split to reveal narrow, pale yellow petals at the tip. The fruit is a silique up to 8 centimeters long.
Plant Description
Plant Type
Annual herb

Flower Color
Yellow, Green, Purple

Native Status
Natural Setting
Elevation ?
27' - 8715'

Annual Precip. ?
3.3" - 28.5"

Summer Precip. ?
0.25" - 2.88"

Coldest Month ?
38.1° F - 58.8° F

Hottest Month ?
59.5° F - 88.5° F

Humidity ?
1.76 vpd - 38.91 vpd

Landscaping Information
Nursery Availability
Never or Almost Never Available

Other Names
Common Names
Payson's Wild Cabbage

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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