Cordilleran Drymocallis, Sharp-toothed Cinquefoil, Tall Cinquefoil, Valley Cinquefoil
Drymocallis arguta
Synonyms: Drymocallis convallaria, Potentilla arguta, Potentilla arguta ssp. convallaria, Potentilla arguta var. convallaria, Potentilla convallaria
Inflorescence of tall cinquefoil as seen at the base of Steptoe Butte in eastern Washington........June 22, 2009. The branches of the inflorescence are nearly erect and hold the flowers so that the inflorescence is nearly flat-topped.
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Close-up views of the flowers and calyx of tall cinquefoil as seen at the base of Steptoe Butte in eastern Washington.........June 22, 2009. Note the pale, creamy petals and numerous spreading, gland-tipped hairs on the calyx and pedicels.
Close-up view of the basal leaves and lower stem of tall cinquefoil as seen at the base of Steptoe Butte in eastern Washington.........June 22, 2009.
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Additional close-up views of valley cinquefoil as seen on rocky slopes above the Painted Rocks, Little Spokane River Natural Area.........May 23, 2010.
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Tall cinquefoil as seen at the western edge of
FS Road #4215 in Antler Prairie, Ochoco National Forest...........May 27, 2016.
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Tall cinquefoil as seen at left and center along the Bandit Springs Trail about 100 meters northeast of the Bandit Springs Sno-park near the Ochoco Divide, Ochoco National Forest.........June 23, 2017.
The photo at right shows tall cinquefoil blooming in grasslands atop Sheep Ridge, Umatilla National Forest.....June 17, 2023.
Paul Slichter