''Polygonum plebeium'', the common knotweed, is a species of flowering plant in the knotweed family, found natively throughout much of

South Asia South Asia is the southern subregion of Asia, which is defined in both geographical and ethno-cultural terms. The region consists of the countries of Afghanistan, Bangladesh, Bhutan, India, Maldives, Nepal, Pakistan, and Sri Lanka.;;;;;;;; ...

including

India India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the seventh-largest country by area, the second-most populous country, and the most populous democracy in the world. Bounded by the Indian Ocean on the so ...

, in

Madagascar Madagascar (; mg, Madagasikara, ), officially the Republic of Madagascar ( mg, Repoblikan'i Madagasikara, links=no, ; french: République de Madagascar), is an island country in the Indian Ocean, approximately off the coast of East Africa ...

, and introduced to the United States and Australia. It occurs in disturbed habitats that frequently are flooded, such as banks, ditches, and rice fields. It is used as a vegetable in food in some locations.

Native names

hi, मचेची, links=no Machechi • mni, তৰাকমনা, links=no Tarakmana • mar, गुलाबी गोधडी, links=no Gulabi Godhadi • Bengali: Chemti sag • Oriya: Muthisag • Gujarati: Zinako Okhrad • sa, सर्पाक्षी, links=no Sarpakshee at Pocharam lake, Andhra Pradesh, India.

References

plebeium {{Polygonaceae-stub