Eremothera
evening primrose, mooncup
3 species
1 subspecies and varieties
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Eremothera boothiiBooth's evening primrose, Booth's mooncup
Distribution: Occurring east of the Cascades crest and in the east end of the Columbia River Gorge in Washington; eastern Washington to California, east to Idaho, Utah, and Arizona.
Habitat: Sagebrush desert on dry rocky slopes, loose soil, sand or ash, sometimes along roadsides.
Origin: Native
Flowers: May-July
ssp. boothii – Booth's evening primrose, Booth's mooncup
Eremothera minorsmall-flowered evening primrose, green river suncup
Distribution: East of the Cascades in Washington; Washington south to California, east to Montana and Colorado.
Habitat: Sagebrush desert, often where vernally moist
Origin: Native
Flowers: April-June
Eremothera pygmaeadwarf suncup
Distribution: East of the Cascades in Washington in central part of the state; Washington south to Oregon, east to Idaho.
Habitat: Vernally moist areas in open, sagebrush desert
Origin: Native
Flowers: April-June