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Practical Weed Science for the Field Scout: Corn and Soybean
Bittercress, smallflowered (Cardamine parviflora)
Winter annual broadleaf
A winter annual weed of nurseries, landscapes and agronomic crops. Plants form a rosette with divided leaves initially and then produce flowering stems with distinctive seedpods. Leaves consist of one to three pairs of alternate round to oblong leaflets. Plants usually have 4 to 10 stem leaves. Basal leaves are completely absent at maturity. Flowers occur in dense clusters at the ends of the flowering stems. Individual flowers are small (2 to 3 mm) and consist of four white petals. Seedpods are long, narrow capsules (siliques) that dehisce explosively and propel seed away from the plant.
IPM1007, revised November 2009
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