''Polygonum plebeium'', (common name - common knotweed), is a species of flowering plant in the knotweed family, first described in 1810 by

Robert Brown Robert Brown may refer to: Robert Brown (born 1965), British Director, Animator and author Entertainers and artists * Washboard Sam or Robert Brown (1910–1966), American musician and singer * Robert W. Brown (1917–2009), American printmaker ...

from a specimen collected in

Port Jackson Port Jackson, commonly known as Sydney Harbour, is a natural harbour on the east coast of Australia, around which Sydney was built. It consists of the waters of Sydney Harbour, Middle Harbour, North Harbour and the Lane Cove and Parramatta ...

, Australia.

Distribution

It is native to

Australia Australia, officially the Commonwealth of Australia, is a country comprising mainland Australia, the mainland of the Australia (continent), Australian continent, the island of Tasmania and list of islands of Australia, numerous smaller isl ...

Africa Africa is the world's second-largest and second-most populous continent after Asia. At about 30.3 million km2 (11.7 million square miles) including adjacent islands, it covers 20% of Earth's land area and 6% of its total surfac ...

(including Botswana, Ethiopia, Madagascar, Nigeria, .Zimbabwe, Zambia. ) and

Asia Asia ( , ) is the largest continent in the world by both land area and population. It covers an area of more than 44 million square kilometres, about 30% of Earth's total land area and 8% of Earth's total surface area. The continent, which ...

( including China, Korea, Mongolia, Kazakhstan and Manchuria, Bangladesh and India), but is an introduced species in the U.S., Germany, and Japan. 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.

Names in India

Machechi • Tarakmana • Gulabi Godhadi • Bengali: Chemti sag • Oriya: Muthisag • Gujarati: Zinako Okhrad • Sarpakshee at Pocharam lake, Andhra Pradesh, India.

References

External links

''Polygonum plebeium'': Images & occurrence data
from

GBIF The Global Biodiversity Information Facility (GBIF) is an international organisation that focuses on making scientific data on biodiversity available via the Internet using web services. The data are provided by many institutions from around the ...

plebeium Plants described in 1810 Taxa named by Robert Brown (botanist, born 1773) {{Polygonaceae-stub