Streptanthus brachiatus ssp. hoffmanii Calflora

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Taxon Report

Streptanthus brachiatus F. W. Hoffm. ssp. hoffmanii R. W. Dolan & LaPré

Freed's jewel flower, Socrates mine jewelflower

Streptanthus brachiatus ssp. hoffmanii is a perennial herb that is native to California, and endemic (limited) to California.

also called Streptanthus brachiatus

California Rare Plant Rank: 1B.2 (rare, threatened, or endangered in CA and elsewhere).


	Plant Range Observation Search ~12 records in California Plant Characteristics one or more occurrences within a 7.5-minute quadrangle

Bloom Period

Photos on Calflora


Parent:	Streptanthus brachiatus
Genus:	Streptanthus
Family:	Brassicaceae
Category:	angiosperm
PLANTS group:	Dicot
Jepson eFlora section: eudicot

Ultramafic affinity: 5.9 - strict endemic

Communities: Foothill Woodland, Chaparral

Name Status:
Accepted by CNPS + PLANTS

Information about Streptanthus brachiatus ssp. hoffmanii from other sources


Nursery availability from CNPLX Commercial availability unknown. USDA PLANTS Profile (STBRH2) Photos on Calflora Photos on CalPhotos Google Images Photos on iNaturalist ID Tips on PlantID.net	ITIS Original Publication citation International Plants Names Index Search efloras.org (Flora of North America) Landscape information from Calscape BONAP Distribution Map CNPS Inventory: 1B.2 Consortium of California Herbaria 2 Search the Native American Ethnobotany Database	Add an Observation Location Suitability Planting Guide Distribution by County
[wildflower.org] Characteristics, Bloom Info, Distribution: Plant Characteristics Duration: Annual , Perennial Habit: Herb , Subshrub Fruit Type: Silique Size Notes: Up to about 2 feet tall. Bloom Information Bloom Color: White , Purple Bloom Time: May , Jun , Jul Bloom Notes: Sepals purple. Petals whitish, some with purple spots or veins. Distribution USA: CA Native Habitat: Serpentine barrens in chaparral, pine-oak or cypress woodland openings. (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: 04/09/2025).