Aconogonon alaskanum var. alaskanum
Family: Polygonaceae
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Stem usually densely and retrorsely pubescent. Leaf blades 5-16.8 × 2-6 cm, margins ciliate, faces pubescent. Flowering Jun-Aug. Montane slopes above treeline, steep hillsides, steep cut banks or sandy loam of rivers; 100-1300 m; Yukon; Alaska; Europe (e Russia).