Phaseolus lunatus and Shell bean plant

Phaseolus lunatus noun - Bush bean plant cultivated especially in southern United States having small flat edible seeds.

Shell bean plant and Phaseolus lunatus are semantically related. In some cases you can use "Shell bean plant" instead a noun phrase "Phaseolus lunatus".

Shell bean plant noun - A bean plant grown primarily for its edible seed rather than its pod.

Phaseolus lunatus and shell bean plant are semantically related. Sometimes you can replace phrase "Phaseolus lunatus" with "Shell bean plant", this phrases are similar.