sideritis italica

Dioscorea dumetorum, also known as the bitter yam, cluster yam, or three-leaved yam, is a species of yam in the genus Dioscorea that is found in Africa.

D. dumetorum has distinctive trifoliate leaves, similar to the Indian three-leaf yam Dioscorea hispida.Its wild form is highly toxic due to the high content of dihydrodioscorine, which is used for making arrow poison in some areas. In order to remove toxins, the wild form needs to be leached in water for days and thoroughly cooked.D. dumetorum is ...