Polygonum plebeium

Polygonum plebeium, (common name - common knotweed),^[2] is a species of flowering plant in the knotweed family, first described in 1810 by Robert Brown from a specimen collected in Port Jackson, Australia.^[3][4]

Polygonum plebeium
Conservation status
Least Concern  (IUCN 3.1)[1]
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Order:	Caryophyllales
Family:	Polygonaceae
Genus:	Polygonum
Species:	P. plebeium
Binomial name
Polygonum plebeium R.Br.

Distribution

It is native to Australia, Africa (including Botswana, Ethiopia, Madagascar, Nigeria, .Zimbabwe, Zambia. ) and Asia ( including China, Korea, Mongolia, Kazakhstan and Manchuria, Bangladesh and India), but is an introduced species in the U.S., Germany, and Japan.^[5]

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.^[1]

Names in India

Hindi: मचेची Machechi • Meitei: তৰাকমনা Tarakmana • Marathi: गुलाबी गोधडी Gulabi Godhadi • Bengali: Chemti sag • Oriya: Muthisag • Gujarati: Zinako Okhrad • Sanskrit: सर्पाक्षी Sarpakshee at Pocharam lake, Andhra Pradesh, India.^{[citation needed]}