Haussknecht's Buckwheat, Haussknecht's Sulphur Flower, Sulfur Buckwheat, Sulfurflower
Eriogonum umbellatum var. haussknechtii
Synonyms: Eriogonum haussknechtii, Eriogonum montanum, Eriogonum umbellatum ssp. haussknecthii
The photo above shows sulfur buckwheat as seen along the South Climb Trail at an elevation of about 7100' at the toe of the Crescent Glacier on the southern slopes of Mt. Adams........August 23, 2008.
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Haussknecht's sulfur buckwheat as seen at left along the climbers trail near the head of Hellroaring Valley, Mt. Adams, Yakama Nation lands.........September 2, 2017. The photo at right shows Hausssknecht's sulfur buckwheat as seen at the base of the lateral moraine for the Mazama Glacier, high above upper Crooked Creek, Mt. Adams, Yakama Nation lands.........Septmber 2, 2017.
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Close-ups of Haussknecht's Buckwheat as seen on gravelly slopes at the base of the Mazama moraine on Mt. Adams........July 19, 2009.
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The photo above shows the inflorescence of
sulfurflower as seen on a red cindery slope at the head of Hell
Roaring Gorge on Mt. Adams.........August 7, 2004. Note that the
individual flowers are all glabrous. Note the leafy bracts below the several
branches of the inflorescence, a characteristic of this species.
The photo above shows the form of sulfurflower (var. hausknechtii)
as seen at the head of Hell Roaring Gorge on Mt. Adams.........August
7, 2004. The plant here is largely less than 7 cm high, although some of the
decumbent stipes approach 10 cm in length. All the photos on this page were
taken at the same location.
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Sulfurflower (var. hausknechtii)
as seen at the head of Hell Roaring Gorge on Mt. Adams.........August
29, 2022.
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What appears to be Haussknecht's Buckwheat
observed atop Green Mountain, several miles northwest of Mount Adams, Gifford Pinchot National Forest.......August 5, 2022. These particular plants were short with compact flower heads, but some plants had tall scapes with more open inflorescences reminiscent of Sandberg's buckwheat at this location.
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Sulfurflower (var. hausknechtii)
as seen on cindery slopes at the head of Hell Roaring Gorge on Mt. Adams..........August
12, 2013.
Paul Slichter