[Buckwheats: The Genus Eriogonum in Mt. Adams Country]

Cushion Buckwheat, Oval-leaved Buckwheat, Sierran Cushion Buckwheat

Eriogonum ovalifolium var. nivale

Synonyms: Eriogonum nivale, Eriogonum rhodanthum

Cushion Buckwheat, Oval-leaved Buckwheat, Sierran Cushion Wild Buckwheat: Eriogonum ovalifolium var. nivale (Synonyms: Eriogonum nivale, Eriogonum rhodanthum)

The photo above shows cushion buckwheat as seen near 6900' along the Highline Trail #114 near the eastern branch of the Muddy Fork Creek on the northern slopes of Mt. Adams.......July 11, 2005. This species typically grows in fairly exposed areas amongst rocks and on cinder and pumice flats above timberline on Mt. Adams.

Close-up of the inflorescence of Cushion Buckwheat, Oval-leaved Buckwheat, Sierran Cushion Wild Buckwheat: Eriogonum ovalifolium var. nivale (Synonyms: Eriogonum nivale, Eriogonum rhodanthum)

The photo above shows a close-up of the flowers of cushion buckwheat as seen near 6900' along the Highline Trail #114 near the eastern branch of the Muddy Fork Creek on the northern slopes of Mt. Adams........July 11, 2005.

Close-up of the involucre of Cushion Buckwheat, Oval-leaved Buckwheat, Sierran Cushion Wild Buckwheat: Eriogonum ovalifolium var. nivale (Synonyms: Eriogonum nivale, Eriogonum rhodanthum)

The photo above shows a close-up side-view of the inflorescence of cushion buckwheat as seen near 6900' along the Highline Trail #114 near the eastern branch of the Muddy Fork Creek on the northern slopes of Mt. Adams.......July 11, 2005.

Basal leaves of Cushion Buckwheat, Oval-leaved Buckwheat, Sierran Cushion Wild Buckwheat: Eriogonum ovalifolium var. nivale (Synonyms: Eriogonum nivale, Eriogonum rhodanthum)

The photo above shows the upper and lower leaf blades of cushion buckwheat as seen near 6900' along the Highline Trail #114 near the eastern branch of the Muddy Fork Creek on the northern slopes of Mt. Adams........July 11, 2005. Both the upper and lower leaf surfaces of this species are densely covered with whitish hairs.

Cushion Buckwheat, Oval-leaved Buckwheat, Sierran Cushion Wild Buckwheat: Eriogonum ovalifolium var. nivale (Synonyms: Eriogonum nivale, Eriogonum rhodanthum)

The photo above shows a mat of cushion buckwheat as seen near 6900' along the Highline Trail #114 near the eastern branch of the Muddy Fork Creek on the northern slopes of Mt. Adams.......July 11, 2005. The foliage and flower heads make for an attractive plant to use in rock gardens or troughs.

Cushion Buckwheat, Oval-leaved Buckwheat, Sierran Cushion Wild Buckwheat: Eriogonum ovalifolium var. nivale (Synonyms: Eriogonum nivale, Eriogonum rhodanthum) - Cushion Buckwheat, Oval-leaved Buckwheat, Sierran Cushion Wild Buckwheat: Eriogonum ovalifolium var. nivale (Synonyms: Eriogonum nivale, Eriogonum rhodanthum)

Cushion Buckwheat, Oval-leaved Buckwheat, Sierran Cushion Wild Buckwheat: Eriogonum ovalifolium var. nivale (Synonyms: Eriogonum nivale, Eriogonum rhodanthum)

Cushion buckwheat blooming on lateral moraines near 7300' above the terminal moraine of the Adams Glacier, Mt. Adams Wilderness......July 19, 2018.

Cushion Buckwheat, Oval-leaved Buckwheat, Sierran Cushion Wild Buckwheat: Eriogonum ovalifolium var. nivale (Synonyms: Eriogonum nivale, Eriogonum rhodanthum)

The photo above shows cushion buckwheat (var. nivale) on the moraine at the head of Hell Roaring Gorge, Mt. Adams.........August 4, 2001. Note the leaves which are covered on both surfaces by silvery-white hairs.

Cushion Buckwheat, Oval-leaved Buckwheat, Sierran Cushion Wild Buckwheat: Eriogonum ovalifolium var. nivale (Synonyms: Eriogonum nivale, Eriogonum rhodanthum)

The photo above shows cushion buckwheat (var. nivale) and cutleaf daisy (Erigeron compositus) growing from a crack beneath a boulder on Little Mt. Adams.........July 16, 2006. Note the spherical, capitate inflorescence and the leaves which are covered on both surfaces by silvery-white hairs on the buckwheat.

Cushion Buckwheat, Oval-leaved Buckwheat, Sierran Cushion Wild Buckwheat: Eriogonum ovalifolium var. nivale (Synonyms: Eriogonum nivale, Eriogonum rhodanthum)

The photo above shows cushion buckwheat on Little Mt. Adams......July 17, 2006.

Cushion Buckwheat, Oval-leaved Buckwheat, Sierran Cushion Wild Buckwheat: Eriogonum ovalifolium var. nivale (Synonyms: Eriogonum nivale, Eriogonum rhodanthum)

Cushion buckwheat as seen on Little Mt. Adams..........August 13, 2012.

Cushion Buckwheat, Oval-leaved Buckwheat, Sierran Cushion Wild Buckwheat: Eriogonum ovalifolium var. nivale (Synonyms: Eriogonum nivale, Eriogonum rhodanthum)

Cushion buckwheat fading out of bloom at about 7000' on the lateral moraine (from the Adams Glacier) between the Lewis River and Adams Creek, Mt. Adams Wilderness............August 20, 2013.

Paul Slichter