pennycress
/ˈpɛni ˌkrɛs/
noun
- A plant of the mustard family, with small white flowers and flat, round seed pods, sometimes grown as a cover crop or for oil.
- Farmers plant pennycress in the winter to protect the soil from erosion.
- Pennycress seeds can be pressed to make oil for biodiesel fuel.
- The field was covered in pennycress, with its tiny white blossoms swaying in the breeze.