You can be poisoned by the leaves of eucalyptus, African acacia, Tisa and other subtropical and tropical plants. But the leaves of most Russian trees: birch, willow, as well as young needles ate (light green bundles at the ends of the branches)-are quite suitable for food. You should not only abuse the leaves of oak and jerk. In addition, these parts of the plants are usually bitter and there are few nutrients in them. Nevertheless, in the Chukchi cuisine, for example, sauerily sauerily willow.