Plant organ and Sacred mushroom

Plant organ noun - A functional and structural unit of a plant or fungus.

Sacred mushroom and plant organ are semantically related. In some cases you can replace phrase "Sacred mushroom" with "Plant organ", this phrases are similar.

Sacred mushroom noun - The button-shaped top of the mescal cactus; a source of psilocybin.

Plant organ and sacred mushroom are semantically related. You can use "Plant organ" instead a noun phrase "Sacred mushroom".