Smartweeds: The Genera Aconogonon, Fallopia, Persicaria and Polgyonum in the Columbia River Gorge of Oregon and Washington]
Curltop Ladysthumb, Dock-leaf Smartweed, Pale Smartweed, Willow Weed
Synonyms: Polygonum incarnatum, Polygonum
lapathifolium, Polygonum lapathifolium var. salicifolium, Polygoum linicola, Polygonum nodosum, Polygonum scabrum, Polygonum tomentosum
The photos on this page were taken along Road #23 at the Mt.
Adams Viewpoint about one-half mile south of the intersection with Road 8810........September
25, 2005. As seen here, willow-weed typically has several to many axillary racemes
each less than 3 cm long at the distal end of the stem.
The photo above shows a stem leaf of willow-weed. The similar Polygonum persicaria commonly has purple-spotted
The photo above shows a close-up of a leaf stipule.
The photo above shows an upright stem of willow-weed as seen from the shoreline of the Deschutes River about one-quarter mile upstream from its junction with the Columbia River........September 1, 2007.
The photo above shows a close-up of the stem of willow-weed as seen on the beach at The Dalles Riverside Park........September 29, 2007.