Pyrus and Rosid dicot genus

Pyrus noun - Fruit trees native to the Old World: pears.

Rosid dicot genus and Pyrus are semantically related. In some cases you can use "Rosid dicot genus" instead a noun "Pyrus".

Rosid dicot genus noun - A genus of dicotyledonous plants.

Pyrus and rosid dicot genus are semantically related. Sometimes you can replace term "Pyrus" with "Rosid dicot genus", this terms are similar.