Tufted knotweed
Polygonum caespitosum
Family: Polygonaceae
What it is like
A herb. It grows each year from seed. It grows 1 m tall. The leaves are narrowly sword shaped. They are 2-8 cm long. The flowers are pink to red and in tight spikes at the top of the plant.
Not in The Plant List. It is similar to Polygonum persicaria but with longer hairs.
Where it is found
It is a subtropical plant.
Countries/locations it is found in
Asia, China, India, Japan, Northeastern India, SE Asia
How it is used for food
Edible parts
Leaves, vegetable
How it is grown
Its other names
Local names
Modhusuleng