This herb is native to Asia, but distributed widely in Europe and Australia. It is used in South East Asian cooking.
Persicaria minor is native to South East Asia, including Malaysia, Thailand, Vietnam and Indonesia. It grows wild in cooler highlands, but is also found in wet lowland areas near rivers, ditches, and canals. It is a creeping plant with slender stems, and grows upright to a height of 1 to 1.5 meters. The creeping stem is green with reddish tinge, is cylindrical in shape, and has short nodes about 9 mm apart. Invasive in Europe.
This plant is useful.
How to get rid of:
Weeds can be removed manually by uprooting or cutting them close to the ground from time to time.