Page author: David Giblin
Phacelia humilis
low phacelia
WTU specimens
Other herbaria

Distribution: Okanogan to Yakima counties in central Washington; south through Oregon to east slope of the Sierra in California and Nevada.

Habitat: Moist to moderately dry soil at low to mid-elevations in the mountains.

Flowers: May-July

Origin: Native

Conservation Status: Not of concern


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.

Accepted Name:
Phacelia humilis Torr. & A. Gray

Synonyms & Misapplications:
(none provided)
var. humilis – low phacelia
Additional Resources:

PNW Herbaria: Specimen records of Phacelia humilis in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Phacelia humilis checklist entry.

E-Flora BC: Phacelia humilis atlas page.

CalPhotos: Phacelia humilis photos.

USDA Plants: Phacelia humilis information.

29 photographs:
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