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Davidson's rockcress
Scientific Name: Arabis davidsonii var. parva
Family: Brassicaceae
Category: Dicot
Growth: Forb/herb
Duration: Perennial
Other Names:
Davidson's Rockcress
Davidson's Rockcress is a perennial herb with the scientific name Arabis davidsonii. It is also commonly known as Davidson's rockcress.
Taxonomy and Nomenclature
- Accepted Name: Boechera davidsonii (Greene) N.H. Holmgren
- Kingdom: Plantae
- Family: Brassicaceae (Mustard Family)
- Taxonomic Rank: Variety
- Synonyms:
- Arabis brucae M.E. Jones
- Arabis cognata Jeps.
- Arabis davidsonii Greene
- Arabis davidsonii var. parva Rollins (Note: Sometimes referred to as Arabis davidsonii var. parva)
Distribution and Habitat
- Native to California.
- Also found in other regions, but not in Idaho.
- Specifically mentioned as thriving in Vernal Fall's "spray zone," indicating a preference for moist environments.
Morphological Characteristics and Growth Habits
- It is a forb/herb, which means it's a non-woody plant that is not a grass.
- It is a perennial herb.
- It has flower stems many from a branched woody base.
- It has rosettes of narrow spoon-shaped leaves, each rosette with one flower stem, to 23.
Quirky Facts
- The genus Boechera, to which Davidson's Rockcress sometimes belongs, is named after Danish botanist Tyge W. Böcher.
Further Information
- Discover Life provides information about the biology, natural history, ecology, identification, and distribution of Arabis davidsonii.
- CalPhotos offers photos of Boechera davidsonii.
- Wikimedia Species provides information about the species.