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Practical Weed Science for the Field Scout: Corn and Soybean
Pigweed, prostrate (Amaranthus blitoides)
Summer annual broadleaf
A low-growing prostrate annual weed of many cultivated horticultural and agricultural crops. Seedlings have cotyledons that are narrow and generally longer than most other pigweed species. Cotyledons are often maroon underneath. Mature plants have leaves that are somewhat shiny on the upper surface and often have a distinctly notched tip. Leaves are often crowded at the ends of branches. Stems are succulent, sometimes with a reddish tint. Flowers are inconspicuous and produced in the leaf axils.
IPM1007, revised November 2009
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