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Koenigia alaskana (synonym Aconogonon alaskanum, Persicaria alpina) is an Asian and North American species of flowering plant in the buckwheat family known by the common names Alaska wild-rhubarb and alpine knotweed.
It is cultivated in areas with enough space for its substantial mounds of foliage. Under the name Persicaria alpina it has received the Royal Horticultural Society's Award of Garden Merit.
Koenigia alaskana is native to Alaska, the Yukon, and Magadan Oblast in the Russian Far East.
Alpine Knotweed · Bellflower Knotweed · Davis's Knotweed · Finnish Knotweed · Island purslane · Sikkim Knotweed · Koenigia phytolaccifolia · Chinese Knotweed · Knotweed · Koenigia polystachya
Text excerpted from the Wikipedia article Koenigia alaskana by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
