stinkweed

/ˈstɪŋkwid/
noun
  1. Any of various plants with a strong, unpleasant smell, especially certain weeds like wild chamomile or jimsonweed.
    • We pulled up the stinkweed from the garden, holding our noses.
    • Farmers often try to remove stinkweed because it can spoil the taste of milk from grazing cows.
    • The field was overgrown with stinkweed, and the air was thick with its odor.