Canada (Colombie Brit.-Alberta)
USA (N. Calif.-Dakota) prairies,bois.

Pousse dans des prairies sèches ou dans des forêts ouvertes en zones steppiques et/ou montagneuses.

Geranium nervosum Rydb.

Geranium viscosissimum Fisch. & C.A. Mey. ex C.A. Mey. ssp.nervosum (Rydb.) W.A. Weber

Geranium viscosissimum Fisch. & C.A. Mey. ex C.A. Mey. var.nervosum (Rydb.) C.L. Hitchc.

Geranium viscosissimum Fisch. & C.A. Mey. var.viscosissimum 

Description horticole :

D. Evrard 1997: Une plante qui ressemble à Ger. nervosum, mais avec des tiges aux poils glanduleux. Les deux espèces sont variable dans la nature et leurs différences pas toujours évidentes. Les fleurs sont rose-pourpre, plus ou moins pâles, avec un centre blanc et toujours veinées. 

Idaho Mountain Wildflowers:Geranium viscosissimum, appears in the spring and flowers into September. The flowers are radially symmetrical, and five petaled. They are usually pink with deep red to purple veins, although their colors  may vary from almost white to a very deep pink or lavender. Deeply cut leaves are a distinguishing feature of the  plant. The Sticky Geranium prefers, but is not restricted to, shaded areas, and after a wet spring is found along our trails, as high as 9000 feet. The leaves and stems feel sticky to the touch which explains both its common and scientific names

Description botanique :

General: Herbaceous perennial, the stems 4-9 dm. tall, with short hairs below often changing to stalked glands above.
Leaves: Leaves long-petiolate, the blades 5-12 cm. broad, somewhat glandular, palmately parted more than ¾ their width into 5 obovate, wedge-shaped, sharply-toothed divisions.
Flowers: 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 3-5 cm. long, the beak, including the stigmas, 10-14 mm. long.
Fruits: Carpels covered with stalked glands. 

Notes :

Notes 01:collecteurs: Ron Ratko, Seattle, Ferron réservoir,Wasatch Plateau,San Pete,UT,3200m.

Notes 02: Reçu début 2016 de Marie Louise Hegedus via le Geraniaceae Groupe des graines  nommées 'Ex. Montana', graines données aux J. S. du Havre qui me donna en sept 20162 plantes.