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.