bitterweed

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noun bit·ter·weed \ˈbi-tər-ˌwēd\

Definition of bitterweed

  1. :  any of several American plants containing a bitter substance: such asa :  either of two ragweeds: (1) :  a low-growing common ragweed (Ambrosia artemissiifolia) (2) :  horseweedb :  an annual yellow-flowered sneezeweed (Helenium amarum synonym H. tenuifolium)c :  an erect annual composite herb (Hymenoxys odorata) of the southwestern U.S. that has yellow flowers and is poisonous to livestock

1819

First Known Use of bitterweed

1819

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a brief usually trivial fact

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