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Hedge Mustard is another weedy member of the Mustard family that has been introduced from Europe. It produces long narrow racemes with erect/appressed siliques that are less than 2/3' in length; this is one of its distinctive characteristics. These racemes often curve upward toward their tips, rather than remaining straight. Other Sisymbrium spp. in Illinois have siliques that are more widely spreading; in most areas of the state, these species are less common than Hedge Mustard.