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woody rockcress
Scientific Name: Arabis suffrutescens var. suffrutescens
Family: Brassicaceae
Category: Dicot
Growth: Subshrub, Forb/herb
Duration: Perennial
Other Names:
Woody Rockcress
This page provides information about plants known as Woody Rockcress, particularly focusing on Arabis suffrutescens.
Considerations for Pets
- Plants in the Arabis genus are often found in gardens.
Considerations for Children
- Plants in the Arabis genus are often found in gardens.
Scientific Name and Common Names
- Scientific Name: Arabis suffrutescens S. Watson
- Common Names: Woody Rockcress, desert rockcress, woody branched rockcress, Owens Valley rockcress
Taxonomy and Nomenclature
- Family: Brassicaceae (also known as Cruciferae)
- Genus: Arabis
- Species: lignifera
- Subspecies: suffrutescens (e.g., Arabis suffrutescens S. Watson var. suffrutescens)
- Varieties: Arabis suffrutescens var. horizontalis (Greene) Rollins
- Synonyms:
- Boechera suffrutescens (for some species of Woody Rockcress)
- Arabis aculeolata (for Waldo Rockcress, although Arabis aculeolata var. aculeolata is also listed)
- Arabis microphylla (synonym for Boechera microphylla or Small-leaf/Littleleaf Rockcress)
- Some species previously classified as Arabis have been reclassified into the genus Boechera, named after botanist Tyge W. Böcher.
Distribution and Habitat
- McDonald's rock-cress (Arabis mcdonaldiana) is native to Northern California.
Morphological Characteristics and Growth Habits
- Some varieties, like the horizontal woody rockcress, can grow to a height of 2 meters.
- Perennial plant with spring and summer growth.
- McDonald's rock-cress (Arabis mcdonaldiana) grows from a woody base and forms smooth, unbranched stems.
- Some species have a branched caudex (short, vertical, often woody stem).
- Pointed rockcress has flower stems from a branched woody base.
- Exposure: needs at least a few hours of solar light each day
Ecological Role
- Rock cress could also be threatened by the encroachment of woody species into its habitat.
Further Information
- Dave's Garden: A community for sharing tips and ideas for gardens, seeds, and plants.
- Discover Life: Provides information about the biology, natural history, ecology, identification, and distribution of Arabis suffrutescens.
- NIISS.org: Contains species profiles, habitat information, control methods, and information on invasion.