Distribution: Occurring east of the Cascades crest in Washington; Washington to California, east to Nevada.
Habitat: Moist to moderately dry soil at low to middle elevations in the mountains.
Flowers: May-July
Origin: Native
Growth Duration: Annual
Conservation Status: Not of concern
Pollination: Bumblebees, bees, butterflies, wasps, sawflies
Low annual, the stem with short, spreading hairs, 0.5-3 dm. tall.
Leaves cauline, entire, short-petiolate, the blade oblanceolate to ovate, 0.5-4 cm. long and 2-25 mm. wide.
Inflorescence of 1 or more compact, bracteate clusters, on peduncles from the leaf axils or terminal; calyx divided nearly to the base, the 5 lobes narrow, bristly; corolla bell-shaped, lavender to blue-violet, 4-7 mm. long and wide; filaments barely exerted; style 2-cleft at least to the middle.
Fruit a capsule, the seeds 1-4, finely pitted.
PNW Herbaria: Specimen records of Phacelia humilis in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Phacelia humilis checklist entry
OregonFlora: Phacelia humilis information
E-Flora BC: Phacelia humilis atlas page
CalPhotos: Phacelia humilis photos