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Brewer's rockcress

Scientific Name: Arabis breweri var. breweri

Family: Brassicaceae

Category: Dicot

Growth: Subshrub, Forb/herb

Duration: Perennial

Other Names:

       

Brewer's Rockcress

Brewer's Rockcress, scientifically known as Boechera breweri (formerly Arabis breweri), is a native perennial herb belonging to the mustard family (Brassicaceae).

Nomenclature and Taxonomy

  • Scientific Name: Boechera breweri (S. Watson) Al-Shehbaz
  • Former Scientific Name: Arabis breweri S. Watson
  • Common Name: Brewer's Rockcress
  • Family: Brassicaceae (Mustard Family)
  • Subspecies:
    • Boechera breweri ssp. breweri
    • Boechera breweri ssp. shastaensis Windham &amp Al-Shehbaz
  • Variety: Arabis breweri var. breweri
  • Synonym: Boechera peirsonii Windham

Distribution and Habitat

Brewer's Rockcress is native to southern Oregon and found in northern, southern, and central regions of California. It has been observed blooming atop Upper Table Rock near Medford, OR, and in locations such as Mount Diablo State Park, CA.

Morphological Characteristics

This perennial herb features flower stems emerging from a compact, branched, woody base. It forms dense rosettes of elliptic to spoon-shaped leaves.

Associations

Brewer's rockcress can be found in the same areas as other wildflowers such as Shooting Star, Buttercup, Milk Maids, Indian Warrior, Poppy, Lupine, Indian Paintbrush, Milk Maids, Ceanothus, Mountain Voilet, Wild Mustard, Mosquito Bills, green-leaf manzanita, and buckbrush.

Further Information

  • Discover Life: Provides information on the biology, natural history, ecology, identification, and distribution of Boechera breweri.
  • Dave's Garden: A community forum for sharing gardening tips, ideas, seeds, and plants.