Sambucus nigra is a species complex of flowering plants in the family Adoxaceae native to most of Europe. Common names include elder, elderberry, black elder, European elder, European elderberry, and European black elderberry. It grows in a variety of conditions including both wet and dry fertile soils, primarily in sunny locations. The plant is widely grown as an ornamental shrub or small tree. Both the flowers and the berries have a long tradition of culinary use, primarily for cordial and wine.

Commonly, the flowerheads are used in infusions, giving a drink in Northern Europe and the Balkans. These drinks are sold commercially as elderflower cordial or elderflower pressé In Europe, the flowers are made into a syrup or cordial which is diluted with water before drinking.