[Fleeceflowers and Knotweeds: The Genera Aconogonon, Bistorta, Fagopyrum, Fallopia, Persicaria and Polygonum East of the Cascades of Oregon and Washington]

Smooth Alpine Knotweed

Aconogonon phytolaccifolium var. glabrum

Synonym: Polygonum phytolaccifolium

Smooth Alpine Knotweed: Aconogonon phytolaccifolium var. glabrum (Synonym: Polygonum phytolaccifolium)

Smooth Alpine Knotweed: Aconogonon phytolaccifolium var. glabrum (Synonym: Polygonum phytolaccifolium) - Smooth Alpine Knotweed: Aconogonon phytolaccifolium var. glabrum (Synonym: Polygonum phytolaccifolium)

Smooth alpine knotweed as seen along the Maxwell Lake Trail about a mile northeast of Maxwell Lake, Eagle Cap Wilderness.........August 3, 2016.
Paul Slichter