Streptanthus brachiatus ssp. brachiatus
Socrates Mine jewel-flower
(c) Ken-ichi Ueda, some rights reserved (CC BY) · licence
Family: Brassicaceae · Type: Subshrub
Conservation status: CNPS 1B.2
Streptanthus brachiatus ssp. brachiatus (Socrates Mine jewel-flower) is a California subshrub in the Brassicaceae family.
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Identification and appearance
Key characters: Differentiators are not available at this time.
Conservation status
CNPS 1B.2
How to tell it apart
vs Caulanthus: Seed pods are flattened like sword blades versus cylindrical tubes in Caulanthus.; vs Boechera: Robust plants often over 2.5 feet with large flowers (sepals 4-8mm) versus more delicate habit.; vs Claytonia: Mustard family with 4 petals and 6 stamens versus Claytonia with 5 petals.; vs Silene: Mustard family with seed pods versus Silene with inflated capsules and opposite leaves.; vs Lonicera: Herbaceous mustard with alternate leaves versus woody vine with opposite leaves.
Frequently asked questions
What plant family does Streptanthus brachiatus ssp. brachiatus belong to?
Streptanthus brachiatus ssp. brachiatus is in the Brassicaceae family, genus Streptanthus.
Is Streptanthus brachiatus ssp. brachiatus rare or endangered?
Streptanthus brachiatus ssp. brachiatus carries California Rare Plant Rank 1B.2, state rank S1.
Related species
Other California species in the same genus, family, or bioregion.
- Streptanthus brachiatus ssp. hoffmanii — Freed's jewel-flower
- Streptanthus breweri — Brewer's jewelflower
- Streptanthus callistus — Mount hamilton jewelflower
- Streptanthus campestris — Southern jewelflower
- Streptanthus cordatus — Heartleaf jewelflower
- Streptanthus cordatus var. cordatus — Heartleaf jewelflower
Sources: CDFW CNDDB
Last updated 2026-10-07
Data from The California Species Project — 14,000+ California species with verified data from CNPS, CDFW, USFWS, Cal-IPC, and more.