Common Names
Black-berried European elder, boor tree, European elder, German Elder
Elderflower is the flower of the European or black elder tree (Sambucus nigra), which is also the source of elderberry. Its flower is used as medicine.
Elderflower contains chemicals that have antioxidant effects. It also contains chemicals that might have antidiabetic effects.
People use elderflower for common cold, constipation, diabetes, obesity, and many other conditions, but there is no good scientific evidence to support these uses.