Yew is a common name given to various species of trees.

Phylogeny of the Taxaceae and Cephalotaxaceae
Foliage of a Mexican yew

It is most prominently given to any of various coniferous trees and shrubs in the genus Taxus:

It is also used for any of various coniferous plants in the families Taxaceae and Cephalotaxaceae:

Various coniferous plants in the family Podocarpaceae, superficially similar to other yews, are also known by this name:

  NODES
see 1