Arrowleaf Buckwheat, Heart-leaf Buckwheat, Northern Buckwheat
Eriogonum compositum var. compositum
Synonyms: Eriogonum compositum var. citrinum, Eriogonum compositum var. pilicaule, Eriogonum johnstonii, Eriogonum pilicaule
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The photo at left shows heart-leaf buckwheat growing on riprap slopes above the Klickitat River along the River Route Road in the upper Klickitat River drainage.........May 26, 2008. The photo at right shows heart-leaf buckwheat in bloom along the north rim of Outlet Creek, Klickitat Canyon Community Forest......June 9, 2022.
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- 
Heart-leaf buckwheat
as seen at about 4100' at a DNR rock quarry atop the ridge dividing Dairy and
Cougar Creeks on the southeastern slopes of Mt. Adams.........July 10, 2005.

The photo above shows another close-up of a leaf of heart-leaf buckwheat
as seen at about 4100' at a DNR rock quarry atop the ridge dividing Dairy and
Cougar Creeks on the southeastern slopes of Mt. Adams........June 13, 2005.
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Heart-leaf buckwheat blooming atop Green Mountain (5007') several miles northwest of Mount Adams, Gifford Pinchot National Forest.......August 5, 2022.
Paul Slichter