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Practical Weed Science for the Field Scout: Corn and Soybean

Dayflower, Asiatic (Commelina communis)

Plants resembling grasses

An erect or more often creeping annual monocot often mistaken for a true grass due to its leaf shape and growth habit. Leaves are 2 to 4 inches long, 2/3 to 1-1/2 inches wide, have parallel leaf veins and lack petioles and ligules. Leaves clasp the stem at the base and hairs are often present in this area. Stems can root at the nodes where they come into contact with soil. Flowers occur on long flower stalks arising from the region between the stem and leaf. Flowers consist of two blue petals and one white petal. Each flower will appear for only one day.
 

IPM1007, revised November 2009

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