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Bistorta affinis

Bistorta affinis or also known as Polygonum affine, Fleece Flower, Lesser Knotweed, East Indian Knotweed, Himalayan Bistort, Knotweed. It is a native plant to Tibet, Himalaya. It is in the genus  Bistorta, from the Polygonaceae family of plants.

The leaves are narrow and elliptic. The leaves are lighter, almost whitish underneath. The middle vein is very prominent. The leaves turn reddish-bronze in autumn. Bistorta affinis blooms in summer. It flowers with spikes of pale rose flowers on erect stems. The spikes are cylindrical and about 3in or 7.5cm long.

It is a mat-forming perennial that loves the sun or could grow in partial shade. Easy to care for, it grows to about 25cm or 10in. It produces pink flowers from July to September. Propagate by seed or division. It is generally disease-free and pest-free.

Bistorta Affinis
Bistorta Affinis
Bistorta Affinis
Bistorta Affinis Flower
Bistorta Affinis
Bistorta Affinis at Kew Gardens

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I am a flower enthusiast and a gardener at heart. Ever since childhood I loved reading about plants and started gardening at an early age. First by helping my father in the garden and later managing a large garden myself in my teen years. I planted and cared for a large number of plants, flowers, and trees both outdoors and in a greenhouse. To this day I enjoy visiting gardens and parks and learning about new and old specimens and varieties of plants.

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