Common bean plant and Green bean

Common bean plant noun - The common annual twining or bushy bean plant grown for its edible seeds or pods.

Green bean and common bean plant are semantically related. In some cases you can replace phrase "Green bean" with "Common bean plant", this phrases are similar.

Green bean noun - A common bean plant cultivated for its slender green edible pods.

Common bean plant and green bean are semantically related. You can use "Common bean plant" instead a noun phrase "Green bean".