Revised June 2007
Download a free PDF of this guide.
Contents
Summer annual broadleaf
Biennial broadleaf
Perennial broadleaf
Summer annual grass
Winter annual grass
Perennial grass
Plants resembling grasses
Herbicides
Related pages
Other related Web sites
Use our feedback form to ask questions or make comments about IPM1007.
Publication search
Practical Weed Science for the Field Scout: Corn and Soybean
Summer annual broadleaf
A low-growing annual that resembles chickweed but with showy reddish-orange flowers. Seedlings have cotyledons that are triangular in outline, dark green in color, shiny and covered with small hairs. Mature plants have leaves that are opposite, oval in outline, and reach 1 inch in length. Leaves do not occur on petioles. Lower leaf surfaces have small dark purple spots. Leaves may have tiny hairs and sometimes may occur in whorls of three. Stems are square in cross section, branch at the base, and may reach 10 inches in length. Individual flowers have five petals that are orange to red in color and occur on long flower stalks.
IPM1007, revised June 2007