Broad bean and Shell bean plant

Broad bean noun - Old World upright plant grown especially for its large flat edible seeds but also as fodder.

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

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

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