Streptanthus morrisonii ssp. kruckebergii
Kruckeberg's jewel-flower
(c) Ken-ichi Ueda, some rights reserved (CC BY) · licence
Family: Brassicaceae · Type: Herb
Conservation status: CNPS 1B.2
Streptanthus morrisonii ssp. kruckebergii (Kruckeberg's jewel-flower) is a California herb 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 morrisonii ssp. kruckebergii belong to?
Streptanthus morrisonii ssp. kruckebergii is in the Brassicaceae family, genus Streptanthus.
Is Streptanthus morrisonii ssp. kruckebergii rare or endangered?
Streptanthus morrisonii ssp. kruckebergii carries California Rare Plant Rank 1B.2, state rank S1.
Related species
Other California species in the same genus, family, or bioregion.
- Streptanthus morrisonii ssp. morrisonii — Morrison's jewel-flower
- Streptanthus oblanceolatus — Trinity river jewelflower
- Streptanthus oliganthus — Masonic mountain jewelflower
- Streptanthus polygaloides — Milkwort jewelflower
- Streptanthus polygaloides subsp. alternans — Tuolumne jewelflower
- Streptanthus polygaloides subsp. aureus — Golden 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.