Encyclopedia - Plants for ponds
Spreading knotweed
Polygonum divaricatum
Family Polygonaceae. Native to China, Mongolia, the Far East.
Perennial plant with numerous stems up to 100-150 cm tall, with a brownish tint. Leaves lanceolate, lower ones up to 10 cm long, upper ones up to 6 cm. Small whitish flowers are gathered in large, dense, highly branched panicles. Good for arrangements.
based on materials from the website www.ultradrome.narod.ru