[The Genus Ivesia in the Cascade Mountains of Oregon and Washington]

Gordon's Ivesia

Ivesia gordonii var. gordonii

Synonyms: Horkelia gordonii, Horkelia gordonii var. alpicola, Ivesia alpicola, Potentilla gordonii

Gordon's Ivesia: Ivesia gordonii var. gordonii (Synonyms: Horkelia gordonii, Horkelia gordonii var. alpicola, Ivesia alpicola, Potentilla gordonii)

Inflorescence of Gordon's Ivesia: Ivesia gordonii var. gordonii (Synonyms: Horkelia gordonii, Horkelia gordonii var. alpicola, Ivesia alpicola, Potentilla gordonii) - Gordon's Ivesia: Ivesia gordonii var. gordonii (Synonyms: Horkelia gordonii, Horkelia gordonii var. alpicola, Ivesia alpicola, Potentilla gordonii)

Gordon's Ivesia: Ivesia gordonii (Synonyms: Horkelia gordonii, Horkelia gordonii var. alpicola, Ivesia alpicola, Potentilla gordonii) - Gordon's Ivesia: Ivesia gordonii var. gordonii (Synonyms: Horkelia gordonii, Horkelia gordonii var. alpicola, Ivesia alpicola, Potentilla gordonii)

Gordon's ivesia as seen on a rock outcrop at the west side of Warm Lake, Goat Rocks Wilderness.........July 23, 2016.

Gordon's Ivesia: Ivesia gordonii var. gordonii (Synonyms: Horkelia gordonii, Horkelia gordonii var. alpicola, Ivesia alpicola, Potentilla gordonii)

The photo above shows a close-up view of the flower of Gordon's ivesia as seen at about 8000' in the Devils Garden on the northeastern slopes of Mt. Adams........July 24, 2005. Note that the tiny oblanceolate petals are shorter than the triangular sepals.


Leaves of Gordon's Ivesia: Ivesia gordonii var. gordonii (Synonyms: Horkelia gordonii, Horkelia gordonii var. alpicola, Ivesia alpicola, Potentilla gordonii)

The photo above shows a close-up of the deeply cleft leaflets of gordon's ivesia as seen along the Highline Trail #114 at about 6800' on the northern slopes of Mt. Adams........July 10, 2005.

Leaf of Gordon's Ivesia: Ivesia gordonii var. gordonii (Synonyms: Horkelia gordonii, Horkelia gordonii var. alpicola, Ivesia alpicola, Potentilla gordonii)

The photo above shows the pinnately compound leaf of Gordon's ivesia as seen along the Highline Trail #114 at about 6800' on the northern slopes of Mt. Adams.........July 10, 2005.

Inflorescence of Gordon's Ivesia: Ivesia gordonii var. gordonii (Synonyms: Horkelia gordonii, Horkelia gordonii var. alpicola, Ivesia alpicola, Potentilla gordonii)

The rounded inflorescence of Gordon's ivesia as seen on rocky outcrops atop the Ridge of Wonders on the eastern slopes of Mt. Adams........August 12, 2006.

Inflorescence of Gordon's Ivesia: Ivesia gordonii var. gordonii (Synonyms: Horkelia gordonii, Horkelia gordonii var. alpicola, Ivesia alpicola, Potentilla gordonii)

The photo above shows the flowers of Gordon's ivesia as seen along the Highline Trail #114 at about 6800' on the northern slopes of Mt. Adams........July 10, 2005.

Gordon's Ivesia: Ivesia gordonii var. gordonii (Synonyms: Horkelia gordonii, Horkelia gordonii var. alpicola, Ivesia alpicola, Potentilla gordonii)

The photo above shows a typical cluster of Gordon's ivesia as seen at about 8000' in the Devils Garden on the northeastern slopes of Mt. Adams.......July 24, 2005.

Paul Slichter