Native Plants
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Arabis lyallii var. lyallii
Arabis lyallii S. Watson var. lyallii
Lyall's Rock Cress, Lyall's Rockcress
Brassicaceae (Mustard family)
Synonym(s): Boechera lyallii
USDA Symbol: ARLYL
USDA Native Status: L48 (N), AK (N), CAN (N)
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Plant Characteristics
Duration: PerennialHabit: Herb
Fruit Type: Silique
Size Notes: Up to about 8 inches tall.
Bloom Information
Bloom Color: PurpleBloom Time: Jun , Jul , Aug
Bloom Notes: Lavender to purple.
Distribution
USA: AK , CA , DC , ID , MT , NV , OR , UT , WA , WYCanada: AB , BC , YT
Native Habitat: Cliffs, talus slopes, gravelly soil in alpine and subalpine habitats.
Web Reference
Webref 30 - Calflora (2018) CalfloraWebref 3 - Flora of North America (2014) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter
Additional resources
USDA: Find Arabis lyallii var. lyallii in USDA PlantsFNA: Find Arabis lyallii var. lyallii in the Flora of North America (if available)
Google: Search Google for Arabis lyallii var. lyallii
Metadata
Record Modified: 2020-10-27Research By: CBR