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A cone-bearing tree of the pine family, usually evergreen.

The secretion of gums or resins by some plants, especially fruit trees and conifers, when cut.

A seed-bearing conical fruit on conifer plants, comprising overlapping scales surrounding a central axis.

Aphid-like insects of the family Adelgidae that are found exclusively on conifers. They feed on the sap of the host tree and cause cone-like growths, which can stunt or kill twigs and, in severe infestations, disfigure ornamental trees.