What is "s canadensis"

elderberry \el"der*ber`ry\, n. (Bot.)

1. The berrylike drupe of the elder. That of the Old World elder ( Sambucus nigra) and that of the American sweet elder ( S. Canadensis) are sweetish acid, and are eaten as a berry or made into wines or jellies.

2. the European variety of elder (see 3rd elder), a common black-fruited shrub or small tree of Europe and Asia; the fruit is used for wines and jellies.

   Syn: bourtree, black elder, common elder, European elder, Sambucus nigra.