Caulanthus flavescens Calflora

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Taxon Report

Caulanthus flavescens (Hook.) Payson

Yellow california mustard

Caulanthus flavescens is an annual herb that is native to California, and endemic (limited) to California.

also called Guillenia flavescens


	Plant Range Observation Search ~246 records in California Plant Characteristics

Bloom Period

Photos on Calflora


Genus:	Caulanthus
Family:	Brassicaceae
Category:	angiosperm
PLANTS group:	Dicot
Jepson eFlora section: eudicot

Ultramafic affinity: 2.3 - weak indicator

Communities: Valley Grassland

Name Status:
Accepted by JEF

Alternate Names:


JEF	Guillenia flavescens
JEF	Streptanthus flavescens
JEF	Thelypodium flavescens
PLANTS	Guillenia flavescens
POWO	Streptanthus flavescens

Information about Caulanthus flavescens from other sources


Nursery availability from CNPLX This plant is available commercially. Jepson eFlora USDA PLANTS Profile (GUFL3) Photos on Calflora Photos on CalPhotos Google Images Photos on iNaturalist ID Tips on PlantID.net	International Plants Names Index Search efloras.org (Flora of North America) Landscape information from Calscape BONAP Distribution Map Consortium of California Herbaria 2 Search the Native American Ethnobotany Database	Add an Observation Location Suitability Planting Guide Distribution by County
[efloras.org] Range: Caulanthus flavescens is distributed primarily from Monterey and San Benito counties north to Napa and San Joaquin counties. (link added by Mary Ann Machi) photos / record / common / links

Suggested Citation

Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals. [web application]. 2025. The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/ (Accessed: 04/18/2025).