Streptanthus glandulosus subsp. hoffmanii

Hoffman's bristly jewelflower, Hoffman's Bristly Jewelflower

Family: Brassicaceae · Type: annual · Native

Conservation status: CNPS 1B.3

Hoffman's bristly jewelflower is a rare (CNPS 1B.3) California native annual found in southwestern North Coast Ranges in serpentine outcrops at elevations around 125 meters. Flowering from May to July, this plant produces lavender to purple flowers 10 to 12 millimeters long with delicate rose-colored sepals. Growing with stems 15 to 45 centimeters tall, it is densely bristly at the base and becomes more sparsely hairy toward the top. Its cauline leaves are moderately bristly, with upper leaves flat and either entire or finely toothed. The plant's fruits spread or curve downward, creating an elegant silhouette against its serpentine habitat.

Habitat: Serpentine outcrops

Bloom period: May-Jul

Elevation: 125 m

Bioregions: sw NCoRO.

California counties: Mendocino, Sonoma

Data from The California Species Project — 14,000+ California species with verified data from CNPS, CDFW, USFWS, Jepson eFlora, Cal-IPC, and more.