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Caulanthus anceps
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Lemmon's Mustard
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Caulanthus anceps

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About Lemmon's Mustard (Caulanthus anceps) Caulanthus anceps (Caulanthus anceps) is a species of flowering plant in the mustard family known by the common name Lemmon's mustard. It is endemic to California, where it grows on open slopes and plains in the Central Coast Ranges and adjacent Central Valley. It can generally be found in areas with alkaline soils. I produces an erect, waxy-textured stem with lance-shaped leaves borne on petioles. The inflorescence is a raceme of many fragrant flowers each with four pink-veined lavender petals. The fruit is a long silique up to 7 centimeters in length.
Plant Description
Plant Type
Annual herb

Max. Height
3 ft (0.9 m)

Flower Color
Pink, Lavender

Native Status

Natural Setting
Site Type
Open slopes and plains, often in alkaline soils

Elevation ?
224' - 5772'

Annual Precip. ?
7.3" - 26.8"

Summer Precip. ?
0.19" - 0.84"

Coldest Month ?
33.7° F - 50.2° F

Hottest Month ?
66.1° F - 78.3° F

Humidity ?
1.20 vpd - 26.27 vpd

Sunset Zones ?
7, 8*, 9*, 14*, 15*, 16*, 17*, 18*, 19*, 20*, 21*, 22*, 23*, 24*

Landscaping Information
Other Names
Botanical Names
Guillenia lemmonii

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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