A plant, usually a tree or bush, that is cone-bearing, usually perennial (keeps its leaves in snow), and needle leaved. Trees are often conical shaped with drooping branches. Wikipedia page.
Individual species such as pine_tree exist within the genus.
Others include cypresses, spruces, junipers, and yews.
Christmas trees are usually conifers.
A pinecone by itself or individual needle leaves alone do not get tagged, but a single branch of a coniferous plant may.