There are no listed varieties. Similar to A. urticifolia
Note spike of lavender/blue tube flowers with long extended stamens on tall stems. Leaves are nettle like (broad lance shaped with teeth, upper leaves can be toothless). Found in rocky soils in Yakima River canyon and south to Mt. Adams, east Central Cascades.
east Central Cascades
TRAIL: Umtanum Ridge
HABITAT: rocky shrub-steppe
ELEVATION: 535 meters (1,745 feet)
BLOOM TIME: 30-MAY