[Aconites and Monkshoods: The Genus Aconitum West of the Cascade Mts. of Oregon and Washington]

Columbia Aconite, Columbia Monkshood

Aconitum columbianum ssp. columbianum

Synonyms: Aconitum columbianum ssp. pallidum, Aconitum columbianum var. bakeri, Aconitum columbianum var. columbianum, Aconitum columbianum var. ochroleucum, Aconitum columbianum var. pallidum, Aconitum geranioides, Aconitum leibergii, Aconitum mogollonicum

Columbia Aconite, Columbia Monkshood: Aconitum columbianum ssp. columbianum (Synonyms: Aconitum columbianum ssp. pallidum, Aconitum columbianum var. bakeri, Aconitum columbianum var. columbianum, Aconitum columbianum var. ochroleucum, Aconitum columbianum var. pallidum, Aconitum geranioides, Aconitum leibergii, Aconitum mogollonicum) - Columbia Aconite, Columbia Monkshood: Aconitum columbianum ssp. columbianum (Synonyms: Aconitum columbianum ssp. pallidum, Aconitum columbianum var. bakeri, Aconitum columbianum var. columbianum, Aconitum columbianum var. ochroleucum, Aconitum columbianum var. pallidum, Aconitum geranioides, Aconitum leibergii, Aconitum mogollonicum)

Columbia monkshood observed at left along the Pacific Crest Trail #2000 on moist slopes on the southwest-facing slopes of Mount Ashland, Klamath National Forest.......July 22, 2021. Columbia monkshood observed at right along the Pacific Crest Trail #2000 at a crossing of one of the headwater forks of Kettle Creek on the western slopes of Observation Peak, Siskiyou Crest, Rogue River-Siskiyou National Forest......July 15, 2020.

Inflorescence of Columbia Aconite, Columbia Monkshood: Aconitum columbianum ssp. columbianum (Synonyms: Aconitum columbianum ssp. pallidum, Aconitum columbianum var. bakeri, Aconitum columbianum var. columbianum, Aconitum columbianum var. ochroleucum, Aconitum columbianum var. pallidum, Aconitum geranioides, Aconitum leibergii, Aconitum mogollonicum)

A pale blue-flowered form of Columbia monkshood (var. columbianum) as seen from along the Canyon Mt. Trail #218, Strawberry Mountain Wilderness........August 1, 2011.


Close-up sideview of a pale-bluish flowered form of Columbia Aconite, Columbia Monkshood: Aconitum columbianum ssp. columbianum (Synonyms: Aconitum columbianum ssp. pallidum, Aconitum columbianum var. bakeri, Aconitum columbianum var. columbianum, Aconitum columbianum var. ochroleucum, Aconitum columbianum var. pallidum, Aconitum geranioides, Aconitum leibergii, Aconitum mogollonicum) - Close-up of a pale-bluish flowered form of Columbia Aconite, Columbia Monkshood: Aconitum columbianum ssp. columbianum (Synonyms: Aconitum columbianum ssp. pallidum, Aconitum columbianum var. bakeri, Aconitum columbianum var. columbianum, Aconitum columbianum var. ochroleucum, Aconitum columbianum var. pallidum, Aconitum geranioides, Aconitum leibergii, Aconitum mogollonicum) - Close-up of a lower stem leaf of a pale bluish-flowered form of Columbia Aconite, Columbia Monkshood: Aconitum columbianum ssp. columbianum (Synonyms: Aconitum columbianum ssp. pallidum, Aconitum columbianum var. bakeri, Aconitum columbianum var. columbianum, Aconitum columbianum var. ochroleucum, Aconitum columbianum var. pallidum, Aconitum geranioides, Aconitum leibergii, Aconitum mogollonicum)

A pale blue-flowered form of Columbia monkshood (var. columbianum) as seen from along the Canyon Mt. Trail #218 at the Little Pine Creek crossing, Strawberry Mountain Wilderness.........August 19, 2011.

Columbia Aconite, Columbia Monkshood: Aconitum columbianum ssp. columbianum (Synonyms: Aconitum columbianum ssp. pallidum, Aconitum columbianum var. bakeri, Aconitum columbianum var. columbianum, Aconitum columbianum var. ochroleucum, Aconitum columbianum var. pallidum, Aconitum geranioides, Aconitum leibergii, Aconitum mogollonicum)- Raceme of Columbia Aconite, Columbia Monkshood: Aconitum columbianum ssp. columbianum (Synonyms: Aconitum columbianum ssp. pallidum, Aconitum columbianum var. bakeri, Aconitum columbianum var. columbianum, Aconitum columbianum var. ochroleucum, Aconitum columbianum var. pallidum, Aconitum geranioides, Aconitum leibergii, Aconitum mogollonicum)

The photo at right shows monkshood (var. columbianum) from Blue Sky, Hart Mt. National Antelope Refuge.......July 5, 1996.

Close-up frontal view of an ochrolecus-colored flower of Columbia Aconite, Columbia Monkshood: Aconitum columbianum ssp. columbianum (Synonyms: Aconitum columbianum ssp. pallidum, Aconitum columbianum var. bakeri, Aconitum columbianum var. columbianum, Aconitum columbianum var. ochroleucum, Aconitum columbianum var. pallidum, Aconitum geranioides, Aconitum leibergii, Aconitum mogollonicum) - Close-up sideview of an ochroleucus-colored flower of Columbia Aconite, Columbia Monkshood: Aconitum columbianum ssp. columbianum (Synonyms: Aconitum columbianum ssp. pallidum, Aconitum columbianum var. bakeri, Aconitum columbianum var. columbianum, Aconitum columbianum var. ochroleucum, Aconitum columbianum var. pallidum, Aconitum geranioides, Aconitum leibergii, Aconitum mogollonicum) - Inflorescence of an ochroleucus-colored form of Columbia Aconite, Columbia Monkshood: Aconitum columbianum ssp. columbianum (Synonyms: Aconitum columbianum ssp. pallidum, Aconitum columbianum var. bakeri, Aconitum columbianum var. columbianum, Aconitum columbianum var. ochroleucum, Aconitum columbianum var. pallidum, Aconitum geranioides, Aconitum leibergii, Aconitum mogollonicum)

The photo above shows 3 views of the flowers of a cream-colored monkshood as seen along the Lostine River in the Wallowa Mts of northeastern Oregon.........July 8, 2007.

Columbia Aconite, Columbia Monkshood: Aconitum columbianum ssp. columbianum (Synonyms: Aconitum columbianum ssp. pallidum, Aconitum columbianum var. bakeri, Aconitum columbianum var. columbianum, Aconitum columbianum var. ochroleucum, Aconitum columbianum var. pallidum, Aconitum geranioides, Aconitum leibergii, Aconitum mogollonicum) - Columbia Aconite, Columbia Monkshood: Aconitum columbianum ssp. columbianum (Synonyms: Aconitum columbianum ssp. pallidum, Aconitum columbianum var. bakeri, Aconitum columbianum var. columbianum, Aconitum columbianum var. ochroleucum, Aconitum columbianum var. pallidum, Aconitum geranioides, Aconitum leibergii, Aconitum mogollonicum) - Inflorescence of Columbia Aconite, Columbia Monkshood: Aconitum columbianum ssp. columbianum (Synonyms: Aconitum columbianum ssp. pallidum, Aconitum columbianum var. bakeri, Aconitum columbianum var. columbianum, Aconitum columbianum var. ochroleucum, Aconitum columbianum var. pallidum, Aconitum geranioides, Aconitum leibergii, Aconitum mogollonicum)

Columbia monkshood blooming (left) in wet meadows west of High Lake along the High Lake Trail, Strawberry Mountain Wilderness.......July 17, 2013 The photo at right shows a paler form of Columbia monkshood as seen along the first mile of the Maxwell Lake Trail, Eagle Cap Wilderness.........August 3, 2016.

Inflorescence of Columbia Aconite, Columbia Monkshood: Aconitum columbianum ssp. columbianum (Synonyms: Aconitum columbianum ssp. pallidum, Aconitum columbianum var. bakeri, Aconitum columbianum var. columbianum, Aconitum columbianum var. ochroleucum, Aconitum columbianum var. pallidum, Aconitum geranioides, Aconitum leibergii, Aconitum mogollonicum)

Columbia monkshood as seen at Potter Meadows across Forest Road 38 from the southern trailhead for the Ochoco Mountain Trail, Ochoco National Forest.........July 13, 2017.

Paul Slichter