[Buckwheats: The Genus Eriogonum West of the Cascade Mountains of Oregon and Washington]

Sulphur Flower Buckwheat, Sulphur-flower Buckwheat, One-eyed Sulphur Flower

Eriogonum umbellatum var. argus

Sulphur Flower Buckwheat, Sulphur-flower Buckwheat, One-eyed Sulphur Flower: Eriogonum umbellatum var. argus - Sulphur Flower Buckwheat, Sulphur-flower Buckwheat, One-eyed Sulphur Flower: Eriogonum umbellatum var. argus

Sulphur Flower Buckwheat, Sulphur-flower Buckwheat, One-eyed Sulphur Flower: Eriogonum umbellatum var. argus - Sulphur Flower Buckwheat, Sulphur-flower Buckwheat, One-eyed Sulphur Flower: Eriogonum umbellatum var. argus

One-eyed sulphur flower beginning to bloom along the Pacific Crest Trail #2000 alongside Forest Road 20 at Wrangle Gap, Rogue River-Siskiyou National Forest.....July 16, 2020.

Sulphur Flower Buckwheat, Sulphur-flower Buckwheat, One-eyed Sulphur Flower: Eriogonum umbellatum var. argus -Sulphur Flower Buckwheat, Sulphur-flower Buckwheat, One-eyed Sulphur Flower: Eriogonum umbellatum var. argus

Inflorescence of Sulphur Flower Buckwheat, Sulphur-flower Buckwheat, One-eyed Sulphur Flower: Eriogonum umbellatum var. argus - Sulphur Flower Buckwheat, Sulphur-flower Buckwheat, One-eyed Sulphur Flower: Eriogonum umbellatum var. argus - Sulphur Flower Buckwheat, Sulphur-flower Buckwheat, One-eyed Sulphur Flower: Eriogonum umbellatum var. argus

One-eyed sulphur flower beginning to bloom along the Pacific Crest Trail in the saddle above Echo Lake and east of Red Buttes, Klamath National Forest........July 14, 2020. On these individuals the upper leaf surfaces are mostly glabrous and green while the ventral leaf surfaces are whitish. Most of the inflorescences are compound.

Sulphur Flower Buckwheat, Sulphur-flower Buckwheat, One-eyed Sulphur Flower: Eriogonum umbellatum var. argus - Sulphur Flower Buckwheat, Sulphur-flower Buckwheat, One-eyed Sulphur Flower: Eriogonum umbellatum var. argus

Inflorescence of Sulphur Flower Buckwheat, Sulphur-flower Buckwheat, One-eyed Sulphur Flower: Eriogonum umbellatum var. argus - Sulphur Flower Buckwheat, Sulphur-flower Buckwheat, One-eyed Sulphur Flower: Eriogonum umbellatum var. argus - Inflorescence of Sulphur Flower Buckwheat, Sulphur-flower Buckwheat, One-eyed Sulphur Flower: Eriogonum umbellatum var. argus

One-eyed sulphur flower observed along the Pacific Crest Trail in the upper basin of West Fork Grouse Creek, Klamath National Forest, Jackson County, OR.....July 23, 2021.

Sulphur Flower Buckwheat, Sulphur-flower Buckwheat, One-eyed Sulphur Flower: Eriogonum umbellatum var. argus - Sulphur Flower Buckwheat, Sulphur-flower Buckwheat, One-eyed Sulphur Flower: Eriogonum umbellatum var. argus

Sulphur Flower Buckwheat, Sulphur-flower Buckwheat, One-eyed Sulphur Flower: Eriogonum umbellatum var. argus - Sulphur Flower Buckwheat, Sulphur-flower Buckwheat, One-eyed Sulphur Flower: Eriogonum umbellatum var. argus

Sulphur Flower Buckwheat, Sulphur-flower Buckwheat, One-eyed Sulphur Flower: Eriogonum umbellatum var. argus - Sulphur Flower Buckwheat, Sulphur-flower Buckwheat, One-eyed Sulphur Flower: Eriogonum umbellatum var. argus

One-eyed sulphur flower observed along the Pacific Crest Trail #2000 between Mount Ashland and Grouse Gap, Klamath National Forest......July 22, 2021.
Paul Slichter