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IPM1007, Practical Weed Science for the Field Scout: Corn and Soybean

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Practical Weed Science for the Field Scout: Corn and Soybean

Poinsettia, wild (Euphorbia heterophylla)

Summer annual broadleaf

Wild poinsettia Wild poinsettia
Wild poinsettia

An erect annual with leaves like those of a poinsettia that emit a milky sap when broken. Stems are erect, branch oppositely from the base, and are hairy. Broken stems also emit a milky sap. Leaves are lanceolate in outline, approximately 1/2 to 3 inches long, with toothed margins. Leaves are oppositely arranged, usually have hairs, and often have a dark red spot on the upper surface, especially with age. Lower leaves may sometimes be alternately arranged. Leaves at the ends of stems near the flowers often appear whorled. Flowers occur in clusters at the ends of branches. Flowers are relatively inconspicuous and have no petals.

 

 

Wild thing
 

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IPM1007 Practical Weed Science for the Field Scout: Corn and Soybean | Page 106 | University of Missouri Extension