Answer: It's possible that your plant is Jimson Weed (Datura stramonium). Jimson Weed, so-called because the early colonists in Jamestown became crazed after eating it, is a plant often found in open areas. It is a tall coarse plant with white or violet funnel-shaped flowers and large spiny fruits. It has an odor and some people get a rash by merely touching it. All parts of it are poisonous. Here's a website with a picture of the plant:
Hope this information solves the mystery.
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