Botanical name: Persicaria alpina Family: Polygonaceae (Knotweed family)
Synonyms: Aconogonon alpinum, Polygonum alpinum
Alpine Knotweed is a tall herb growing up to 2 m, with numerous tiny pale pink or white flowers in much branched clusters up to a foot long. Flowers are 1-2 mm long. Leaves are narrow, lanceshaped, 8-12 cm long, narrowed to a short stalk. Stems are grooved, pale reddish or white, and are eaten. Alpine Knotweed is found in the Himalayas, from Afghanistan to Himachal Pradesh, at altitudes of 1500-3300. It is common in Kashmir and Lahaul. Flowering: June-August.
Identification credit: Nongthombam Ullysess
The flower labeled Alpine Knotweed is ...