Cold-water corydalis as seen in steep wetland woods along headwater streams near the Clark-Skamania County Line, Gifford Pinchot National Forest..........July 17, 2014.
Cold-water corydalis is a beautiful wildflower species with deep, fleshy roots giving rise to thick, hollow stems from 30-110 cm high. The stems may be simple to branched. The yellowish-green leaves are 4 to 6 times pinnate, with the lower leaves being up to 60 cm long. The leaflets are elliptic and from 5-12 mm long and 2-5 mm wide.
The racemes may be simple to compounded, and are closely 30-60 flowered. The pale to deeply pink corolla is from 12-20 mm long. The spur is from 9-11 mm long.
Cold-water corydalis grows in riparian habitats which have fast moving, very cold water.
Cold-water corydalis grows in one location in the Columbia River Gorge, and in several localities in the Clackamas River drainage east of Estacada, OR.
Cold-water corydalis as seen in wetland woods along the Clackamas River, Mt. Hood National Forest.