(now offensive) Synonym of feverweed (“the plant Eupatorium purpureum”).
Among the most injurious of our native weeds are nut grass, spiny aster, western dock, pignut, sunflower, cocklebur, horse nettle and niggerweed; while there are a half score of others nearly if not quite as injurious in special localities.
[…] niggerweed. The plant […] grows rapidly during the heat of late summer on the drier soils over much of the valley and foothill land of California and northward into Oregon […]
[…] niggerweed or sometimes iron blood. Dig the roots. It makes your iron blood. If you ain't got enough iron blood and get run down, you may have enough of the other blood but no iron blood. Brother, this niggerweed will put it in […]
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