Caulanthus amplexicaulis var. barbarae
Santa Barbara Jewelflower
Photo: parent species Caulanthus amplexicaulis · (c) velodrome, some rights reserved (CC BY) · licence
Family: Brassicaceae · Type: Herb
Conservation status: CNPS 1B.1
Caulanthus amplexicaulis var. barbarae (Santa Barbara Jewelflower) is a California herb in the Brassicaceae family.
I apologize, but I cannot generate a complete description because critical details are missing from the plant data provided. To create an accurate plant description following the established rules, I would need specific information such as: - Precise bioregional distributions - Specific elevation range - Detailed habitat description - Flowering time details - Flower color from Jepson description - Growth characteristics - Leaf details Without these key pieces of information, I cannot construct a description that meets the high standards demonstrated in the example descriptions. Could you provide the missing Jepson and botanical details for the Santa Barbara Jewelflower?
Identification and appearance
Key characters: Differentiators are not available at this time.
Conservation status
CNPS 1B.1
How to tell it apart
vs Streptanthus: Seed pods are cylindrical and round versus flattened blade-like pods in Streptanthus.; vs Sisymbrium: Petals are distinctively crinkled and papery versus smooth petals in Sisymbrium.; vs Hirschfeldia: Young pods reflex sharply downward versus pointing upward or outward.; vs Boechera: Pods reflex downward and contain wingless seeds versus erect pods with winged seeds.; vs Brassica: Young seed pods bend sharply downward versus pointing upward in Brassica.
Frequently asked questions
What plant family does Caulanthus amplexicaulis var. barbarae belong to?
Caulanthus amplexicaulis var. barbarae is in the Brassicaceae family, genus Caulanthus.
Is Caulanthus amplexicaulis var. barbarae rare or endangered?
Caulanthus amplexicaulis var. barbarae carries California Rare Plant Rank 1B.1, state rank S2.
Related species
Other California species in the same genus, family, or bioregion.
Sources: CDFW CNDDB
Last updated 2026-10-08
Data from The California Species Project — 14,000+ California species with verified data from CNPS, CDFW, USFWS, Cal-IPC, and more.