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woody rockcress
Scientific Name: Arabis suffrutescens
Family: Brassicaceae
Category: Dicot
Growth: Subshrub, Forb/herb
Duration: Perennial
Other Names:
Arabis suffrutescens
Also known as Woody Rockcress, this plant belongs to a group commonly referred to as Rockcresses.
Considerations for Pets
- The text mentions that Arabis suffrutescens has a woody base, stems, and potentially woody caudex.
Considerations for Children
- Some rockcress species, like the Aggressive vine, can be usable as ground cover.
Taxonomy and Nomenclature
- Scientific Name: Arabis suffrutescens S. Watson
- Family: Brassicaceae (Cruciferae)
- Synonyms/Related Species:
- Arabis aculeolata (Waldo Rockcress)
- Arabis lignifera
- Boechera suffrutescens
- Arabis microphylla (Synonym: Boechera microphylla)
- Arabis mcdonaldiana (McDonald's Rockcress)
- Subordinate Taxa:
- Arabis suffrutescens S. Watson var. suffrutescens
- Arabis suffrutescens S. Watson var. horizontalis (Greene) Rollins
Common Names
- Woody Rockcress
- Horizontal Woody Rockcress
- Desert Rockcress
- Woody Branched Rockcress
- Owens Valley Rockcress
- Waldo Rockcress
- Beautiful Rockcress
Distribution and Habitat
- Native to Northern California (in the case of McDonald's rock-cress, Arabis mcdonaldiana)
- Found in Crater Lake (Waldo Rockcress)
- Requires solar light, a few hours a day.
Morphological Characteristics
- Perennial herb
- Grows from a woody base
- Forms smooth, unbranched stems (in the case of McDonald's rock-cress, Arabis mcdonaldiana)
- Can reach 2 meters in height.
- Flowers are borne in an open, elongated cluster at the top of the stout stems.
Ecological Role
- Rock cress species could also be threatened by the encroachment of woody species.
- Identified in a species profile that includes habitat, control, invasion & life.
Quirky Facts
- Horizontal Woody Rockcress isn't an evergreen during the summer it assumes a white color.
- The genus *Boechera* was named after Danish botanist Tyge W. Böcher (1909–1983).
Further Information
- Discover Life: Biology, natural history, ecology, identification, and distribution of Arabis suffrutescens.
- Dave's Garden: Community sharing tips and ideas for gardens, along with seeds and plants.
- NIISS.org: Species profile, habitat, control, invasion & life.
- Garden Guides: Information on plants commonly known as Rockcress.