Native Plants

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Arabis microphylla var. thompsonii

Arabis microphylla Nutt. var. thompsonii Rollins

Thompson's Rock Cress, Thompson's Rockcress

Brassicaceae (Mustard family)

Synonym(s):

USDA Symbol: ARMIT

USDA Native Status: L48 (N)

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Plant Characteristics

Duration: Perennial
Habit: Herb , Subshrub
Fruit Type: Silique
Size Notes: Up to about 9 inches tall.

Bloom Information

Bloom Color: Purple
Bloom Time: Jun
Bloom Notes: Lavender.

Distribution

USA: WA
Native Habitat: Basaltic cliffs and rocky slopes in subalpine areas.

Web Reference

Webref 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 microphylla var. thompsonii in USDA Plants
FNA: Find Arabis microphylla var. thompsonii in the Flora of North America (if available)
Google: Search Google for Arabis microphylla var. thompsonii

Metadata

Record Modified: 2020-10-27
Research By: CBR

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