Denseflower Spike Primrose, Dense-flower Willowherb, Dense Spike-primrose
Epilobium densiflorum
Synonyms: Boisduvalia densiflora, Boisduvalia densiflora var. densiflora, Boisduvalia densiflora var. pallescens, Boisduvalia densiflora var. salina
A portion of the elongated inflorescence of denseflower spikeprimrose as seen in a vernal pond above Horsethief Butte to the east of the junction of US 197 and Washington Highway 14 in the eastern Columbia River Gorge.......July 10, 2009.
A portion of the elongated inflorescence of denseflower spikeprimrose as seen in a vernal pond above Horsethief Butte to the east of the junction of US 197 and Washington Highway 14 in the eastern Columbia River Gorge........July 10, 2009.
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Denseflower spikeprimrose as seen in vernal swales along the Klickitat River approximately west of the old Soda Springs campground, Klickitat State Wildlife Recreation Area.......July 21, 2011. The pink-flowered form is generally more common than the white-flowered form pictured here. Note also that the leaves are generally entire. The similar smooth willowherb (Epilobium pygmaeum) has denticulate or mintuely toothed leaves.
Paul Slichter