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San Diego Wild Cabbage Back to Plant Page
Caulanthus heterophyllus

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About San Diego Wild Cabbage (Caulanthus heterophyllus) Caulanthus heterophyllus is a species of flowering plant in the mustard family known by the common names San Diego wild cabbage and San Diego jewelflower. This annual wildflower is native to the coast ranges of southern California and Baja California. It is a member of the chaparral plant community and is common in areas recovering from wildfire. This plant has a smooth, erect stem which may be thin or quite stout. The stem produces long, pointed leaves at intervals, and toward the top of the stem produces flowers at similar intervals. The point of the stem is occupied by an inflorescence of one to several flowers. Each flower is showy, with a magenta to purple hollow urn-shaped body and a mouth surrounded by contrasting white petals which curl outward. The fruit is a silique several centimeters long containing winged seeds.
Plant Description
Plant Type
Annual herb

Flower Color
White, Purple

Native Status

Natural Setting
Elevation ?
17' - 5479'

Annual Precip. ?
3.7" - 42.2"

Summer Precip. ?
0.18" - 2.65"

Coldest Month ?
39.8° F - 61.4° F

Hottest Month ?
66.4° F - 88.8° F

Humidity ?
1.14 vpd - 42.79 vpd

Landscaping Information
Nursery Availability
Never or Almost Never Available

Other Names
Common Names
San Diego Jewelflower

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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