Tropical Whiteweed Plant Information


Tropical Whiteweed grows in the following 12 states:

Connecticut, Georgia, Kentucky, Maryland, Mississippi, North Carolina, Alabama, California, Florida, Hawaii, Louisiana, Missouri


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The following information is licensed as Creative Commons content from Wikipedia and the USDA.
More information about Tropical Whiteweed may be found here, or from the US Department of Agriculture.

In Vietnamese, the plant is called cứt lợn (meaning "pig feces") due to its growth in dirty areas.Ageratum conyzoides (billygoat-weed, chick weed, goatweed, whiteweed) is native to Tropical America, especially Brazil, and considered an invasive weed in many other regions. Herb 0.5-1 m. high, with ovate leaves 2-6 cm long, and flowers are white to mauve.

As a medicinal plant, Ageratum conyzoides has limited uses due to its toxicity. It is also an insecticide and nematicide.
Ingesting A. conyzoides can cause liver lesions and tumors. There was a mass poisoning incident in Ethiopia as a result of contamination of grain with A. conyzoides. The plant contains the pyrrolizidine alkaloids lycopsamine and echinatine.
A. conyzoides is prone to becoming a rampant environmental weed when grown outside of its natural range. It is an invasive weed in Africa, Australia, Southeast Asia and the USA. It is considered a moderate weed of rice cultivation in Asia.


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