Draba carnosula

Mount eddy draba, Mount Eddy Draba

Draba carnosula (Mount eddy draba), native California herb

(c) Trevor Van Loon, some rights reserved (CC BY) · licence

Family: Brassicaceae · Type: Herb · Native

Conservation status: CNPS 1B.3

Draba carnosula (Mount eddy draba) is a native California herb in the Brassicaceae family, recognized by glabrous habit and winged seeds.

Mount eddy draba is a rare (CNPS 1B.3) California native perennial found in the Klamath Ranges, specifically in the Mount Eddy area of Trinity and Siskiyou counties, on rocky slopes at elevations of 2,000 to 2,750 meters. Flowering from June to July, this plant produces small, bright yellow flowers 5 to 7 millimeters long with delicate petals. Growing in loose tufts with short stems 3 to 12 centimeters tall, it forms a creeping caudex with distinctive branching. Its basal leaves are oblanceolate to obovate, 3 to 15 millimeters long, with hairy margins and petioles featuring short-stalked, two to four-rayed hairs. The plant produces elongated, flat fruits 1 to 2.3 centimeters long, containing 8 to 12 round, flat seeds.

Identification and appearance

Key characters: 5 sympatric species; key features are glabrous habit and winged seeds

Habitat and range

Habitat: Rocky slopes

Elevation: 2000-2750 m

California counties: Siskiyou, Trinity

Bloom period

Draba carnosula blooms Jun-Jul.

Conservation status

CNPS 1B.3

How to tell it apart

vs Physaria: Draba has flattened pods; Physaria has inflated balloon-like pods.; vs Lepidium: Draba has flattened pods with 10+ seeds; Lepidium has flat round pods with 2 seeds per chamber.; vs Boechera: Draba pods short and broad; Boechera pods long and narrow like pencils.

Frequently asked questions

Is Draba carnosula native to California?

Yes. Draba carnosula is native to California (recorded as native).

When does Draba carnosula bloom?

Draba carnosula blooms Jun-Jul.

Where in California does Draba carnosula grow?

Draba carnosula occurs in Siskiyou, Trinity, at elevations of 2000-2750 m.

What plant family does Draba carnosula belong to?

Draba carnosula is in the Brassicaceae family, genus Draba.

Is Draba carnosula rare or endangered?

Draba carnosula carries California Rare Plant Rank 1B.3, state rank S2.

Related species

Other California species in the same genus, family, or bioregion.

All Draba species · All Brassicaceae

Sources: Jepson eFlora · CNPS Rare Plant Inventory · Index of California Plant Names · CalPhotos · 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.