moonseed
/ˈmunˌsid/
noun
- A climbing plant of the genus Menispermum, having crescent-shaped seeds and small clusters of dark berries.
- The berries of the moonseed look like grapes but are poisonous to humans.
- She identified the plant by its distinctive crescent-shaped seeds, a sure sign of moonseed.
- Moonseed vines can be found growing along riverbanks in eastern North America.