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Davidson's rockcress

Scientific Name: Arabis davidsonii

Family: Brassicaceae

Category: Dicot

Growth: Forb/herb

Duration: Perennial

Other Names:

       

Davidson's Rockcress

Davidson's Rockcress is a perennial herb known for its presence in specific ecological niches.

Scientific Name and Nomenclature

  • Accepted Scientific Name: Boechera davidsonii (Greene) N.H. Holmgren
  • Synonym: Arabis davidsonii Greene
  • Common Name: Davidson's Rockcress

Taxonomy

  • Kingdom: Plantae
  • Family: Brassicaceae (Mustard Family)
  • Taxonomic Rank: Variety (e.g., Arabis davidsonii var. parva)

Distribution and Habitat

  • Native to California.
  • Also found in the "spray zone" of Vernal Fall, indicating a preference for moist environments.

Morphological Characteristics

  • A forb/herb, which is a non-woody plant that is not a grass.
  • Perennial herb, meaning it lives for more than two years.
  • Flower stems emerge from a branched woody base.
  • Rosettes of narrow spoon-shaped leaves, each with one flower stem.

Quirky Facts

  • Davidson's Rockcress is named after someone with the last name Davidson. Multiple plants are named after Davidson including, Davidson's Bractscale, Davidson's Buckwheat, Davidson's Bushmallow Davidson's Penstemon Davidson's Phacelia Davidson's Sage.

Further Information

  • Discover Life: Provides information on the biology, natural history, ecology, identification, and distribution of Arabis davidsonii.
  • CalPhotos: Offers photographic resources for identifying Boechera davidsonii.