Distribution: Occurring east of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains and northern Great Plains.
Habitat: Common is open plains and foothills, often with sagebrush.
Flowers: March-May
Origin: Native
Growth Duration: Annual
Conservation Status: Not of concern
Pollination: Bumblebees
Slender annual, simple to freely-branched and loosely ascending, up to 3 dm. tall, usually with fine stalked glands.
Leaves alternate, pinnate, all cauline, the 7-15 leaflets 2-9 mm. long and 1-4 mm. wide.
Flowers terminal and solitary on the branches; calyx 2-5 mm. long, 5-lobed; corolla inconspicuous, whitish, about equaling the calyx, the 5 lobes about equaling the tube; style 3-parted; ovary superior.
Capsule 3-celled.
Publication: Prodr. 9: 318. 1845.
PNW Herbaria: Specimen records of Polemonium micranthum in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Polemonium micranthum checklist entry.
OregonFlora: Polemonium micranthum information.
E-Flora BC: Polemonium micranthum atlas page.
CalPhotos: Polemonium micranthum photos.
USDA Plants: Polemonium micranthum information.
