Alpine bistort

Description

Persicaria vivipara is a perennial herbaceous flowering plant in the knotweed and buckwheat family Polygonaceae, commonly known as alpine bistort. Scientific synonyms include Bistorta vivipara and Polygonum viviparum. It is common all over the high Arctic through Europe, North America, and temperate and tropical Asia. Its range stretches further south in high mountainous areas such as the Alps, Carpathians, Pyrenees, Caucasus, and the Tibetan Plateau.