Rhamnus cathartica · dygioji šunobelė

• buckthorn, common buckthorn, purging buckthorn
• Purgier-Kreuzdorn
• dygioji šunobelė
• parastais pabērzs
• szakłak pospolity

The bark and fruit were used as a purgative in the past, though their potentially dangerous violent action and side effects means they are now rarely used. Slightly poisonous. https://en.wikipedia.org/wiki/Rhamnus_cathartica