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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

Pepperweed, field (Lepidium campestre)

Winter annual broadleaf

epperweed, fieldepperweed, field
epperweed, fieldA common winter annual found throughout the United States. Seedlings have cotyledons that occur on petioles, are hairless, 12 to 15 mm long, and oval. Rosette leaves and lower stem leaves are rounded but taper to the base. Margins may be lobed, toothed or entire. Upper stem leaves do not have petioles and are clasping at the base. All leaves are covered with short hairs. Individual flowers are 2 mm long, have four white or greenish white petals, and occur on stalks 4 to 8 mm long. Many fruits make up the distinctive “pepperweed” seedhead, which is ovate, 5 to 6 mm long and 4 mm wide, with a winged structure at the apex.

 

Wild thing
 

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IPM1007 Practical Weed Science for the Field Scout: Corn and Soybean | Page 99 | University of Missouri Extension