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Davidson's rockcress
Scientific Name: Arabis davidsonii var. davidsonii
Family: Brassicaceae
Category: Dicot
Growth: Forb/herb
Duration: Perennial
Other Names:
Davidson's Rockcress
Learn about Davidson's Rockcress, a perennial herb found in specific regions of North America.
Common and Scientific Names
- Accepted Scientific Name: Boechera davidsonii (Greene) N.H. Holmgren
- Synonym: Arabis davidsonii Greene
- Common Name: Davidson's Rockcress
Taxonomy and Nomenclature
- Kingdom: Plantae
- Family: Brassicaceae (Mustard Family)
- Taxonomic Rank: Variety (e.g., Arabis davidsonii var. parva)
- Synonyms: Arabis brucae M.E. Jones, Arabis cognata Jeps.
Distribution and Habitat
- Native to California.
- Also found in the "spray zone" of Vernal Fall, Yosemite, indicating a preference for moist environments.
- Not found in Idaho.
Morphological Characteristics
- A forb/herb, meaning it is a non-woody plant that is not a grass.
- Perennial, living for more than two years.
- Flower stems grow from a branched woody base with rosettes of narrow spoon-shaped leaves.
- Each rosette has one flower stem, growing to about 23 [units not specified].
Ecology
- Found in the "spray zone" of Vernal Fall, Yosemite, which is home to other rare water-loving plants.
Further Information
- Discover Life offers a page about the biology, natural history, ecology, identification, and distribution of Arabis davidsonii.
- CalPhotos provides images of Boechera davidsonii.