Black pine and Pine tree

Black pine noun - Tall symmetrical pine of western North America having long blue-green needles in bunches of 3 and elongated cones on spreading somewhat pendulous branches; sometimes classified as a variety of ponderosa pine.

Pine tree and black pine are semantically related. In some cases you can use "Pine tree" instead a noun phrase "Black pine".

Pine tree noun - A coniferous tree.

Black pine and pine tree are semantically related. Sometimes you can replace phrase "Black pine" with "Pine tree", this phrases are similar.