Native Plants
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Arabis macdonaldiana
Arabis macdonaldiana Eastw.
Macdonald Rockcress, Mcdonald's Rock Cress, Red Mountain Eared Rockcress
Brassicaceae (Mustard family)
Synonym(s): Arabis blepharophylla var. macdonaldiana, Arabis serpentinicola
USDA Symbol: ARMA33
USDA Native Status: L48 (N)
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Plant Characteristics
Duration: PerennialHabit: Herb
Fruit Type: Silique
Size Notes: Up to about 16 inches tall.
Bloom Information
Bloom Color: PurpleBloom Time: May , Jun , Jul
Distribution
USA: CA , ORNative Distribution: Listed as endangered in the United States.
Native Habitat: Serpentine scrap and slopes, red serpentinized soil.
U.S. Fish & Wildlife Service Threatened & Endangered Status
USFWS Species Profile: Q1SXStatus:Web Reference
Webref 30 - Calflora (2018) CalfloraWebref 3 - Flora of North America (2014) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Additional resources
USDA: Find Arabis macdonaldiana in USDA PlantsFNA: Find Arabis macdonaldiana in the Flora of North America (if available)
Google: Search Google for Arabis macdonaldiana
Metadata
Record Modified: 2020-10-27Research By: CBR