Loasaceae
Blazingstar Family
1 genera
4 species
2 subspecies and varieties
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Mentzelia albicauliswhite-stem blazing-star
Distribution: Occurring east of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains.
Habitat: Dry, usually sandy soil in the shrub-steppe to the foothills.
Origin: Native
Flowers: May-July
Growth Duration: Annual
Mentzelia dispersabushy blazing-star, small-flowered blazing-star
Distribution: Occurring east of the Cascades crest in Washington; Washington to southern California, east to Montana and Colorado.
Habitat: Dry soil, from the plains into the canyons and slopes of the lower mountains.
Origin: Native
Flowers: May-July
Growth Duration: Annual
Mentzelia laevicaulisgiant blazing-star
Distribution: Occurring chiefly east of the Cascades crest in Washington; British Columbia to California, east to Montana, Wyoming, Utah, and Nevada.
Habitat: Dry, often rocky or gravelly soil, desert valleys to lower mountains.
Origin: Native
Flowers: June-September
Growth Duration: Biennial, Perennial
var. laevicaulis – giant blazing-star
var. parviflora – small-flowered giant blazing-star
Mentzelia montanamountain blazing-star
Distribution: Occurring east of the Cascades crest in Washington; southern British Columbia to California, east to the Rocky Mountains and Texas.
Habitat: Dry montane slopes and forest openings.
Origin: Native
Flowers: May-July
Growth Duration: Annual