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hairystem rockcress
Scientific Name: Arabis sparsiflora var. subvillosa
Family: Brassicaceae
Category: Dicot
Growth: Subshrub, Forb/herb
Duration: Biennial, Perennial
Other Names:
Hairystem Rockcress (Boechera pauciflora)
Considerations for Pets
- The text mentions that the plant is often hairy. The presence of hairs on stems and leaves might cause mild irritation if ingested or touched by sensitive animals.
Considerations for Children
- The text mentions that the plant is often hairy. The presence of hairs on stems and leaves might cause mild irritation if ingested or touched by children.
Common Names and Scientific Name
- Scientific Name: Boechera pauciflora (Nutt.) Windham & Al-Shehbaz
- Common Names: Hairystem Rockcress, Sicklepod Rockcress, Columbian Rockcress, Elegant Rockcress
Taxonomy and Nomenclature
- Family: Brassicaceae (Mustard Family)
- Synonyms: Arabis campyloloba, Arabis holboellii, Arabis sparsiflora var. subvillosa, Arabis sparsiflora columbiana
- Rank: Variety (var. subvillosa)
Distribution and Habitat
- Native to areas east of the Cascade Mountains of Oregon and Washington.
- Also found in California.
Morphological Characteristics
- A perennial herb.
- Can reach a height of 2 meters.
- Basal leaves are narrowly obovate, blunt-toothed, and usually hairy. They are 1-5 cm long and 2-5 mm wide, narrowing to a slender stalk.
- Stem leaves are long, oblong, and can be 1-3 cm long.
- Stem can be hairy.
Quirky Facts
- The Hairystem Rockcress assumes a white "coling" (likely referring to coloring or bloom) during the summer months.
- While generally described as having white flowers, some related rockcress species may have yellowish flowers.
Associations with Other Organisms
- Mentioned alongside fir dwarf mistletoe in a list.
Further Information
- CalPhotos Photo Database
- Oregon Flora Project
- United States Department of Agriculture Plant Database