Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east to the northern Great Plains.
Habitat: Dry, open, often sandy areas, low to high elevations.
Flowers: May-August
Origin: Native
Growth Duration: Perennial
Conservation Status: Not of concern
Herbaceous perennial from a taproot, the several stems sub-erect, up to 5 dm. tall, silvery with fine, loose pubescence.
Leaves prominently veined, all entire or some with small lateral lobes at the base; basal leaves tufted, persistent, petiolate, narrowly to broadly elliptic, cauline leaves reduced upward, becoming sessile.
Inflorescence short and compact; calyx divided nearly to the base, lobes 5; corolla dull white, 5-lobed, 4-7 mm. long and broad, the filaments conspicuously exerted, hairy near the middle; style 2-cleft.
Fruit a capsule.
Publication: Nov. Stirp. Pug. [Lehmann] 2: 21 (-22). 1830.
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var. compacta – silverleaf phacelia, whiteleaf phacelia
Occurring on both sides of the Cascades crest in Washington; northern Washington to California, east to Nevada. -
var. hastata – silverleaf phacelia, whiteleaf phacelia Occurring east of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains and northern Great Plains.
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var. leptosepala – narrow-sepal scorpion-weed Occurring on both sides of the Cascades crest in Washington; British Columbia to Oregon, east to Alberta, western Montana, and central Idaho.
PNW Herbaria: Specimen records of Phacelia hastata in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Phacelia hastata checklist entry.
OregonFlora: Phacelia hastata information.
E-Flora BC: Phacelia hastata atlas page.
CalPhotos: Phacelia hastata photos.
USDA Plants: Phacelia hastata information.
