Distribution: Widely distributed east of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains..
Habitat: Moist meadows and slopes, and forest openings, from the foothills to the middle elevations.
Flowers: May-July
Origin: Native
Growth Duration: Perennial
Conservation Status: Not of concern
Pollination: Bumblebees, bees, flies, wasps, beetles
Herbaceous perennial, the stems 4-9 dm. tall, with short hairs below often changing to stalked glands above.
Leaves long-petiolate, the blades 5-12 cm. broad, somewhat glandular, palmately parted more than 3/4 their width into 5 obovate, wedge-shaped, sharply-toothed divisions.
Inflorescence of few-flowered cymes; sepals 5, 8-12 mm. long with bristle tips about 2 mm. long; petals 5, 14-20 mm. long, rounded to shallowly notched, pinkish-lavender to purplish, with soft hairs on the lower half; stamens 10, filaments with soft hairs full length; stylar column 2.5-3 cm. long, stigmas 3-6 mmm.
Mericarps 5, 4.5-5.5 mm, not wrinkled, glandular to pubescent; seeds pitted.
PNW Herbaria: Specimen records of Geranium viscosissimum in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Geranium viscosissimum checklist entry
OregonFlora: Geranium viscosissimum information
E-Flora BC: Geranium viscosissimum atlas page
CalPhotos: Geranium viscosissimum photos