Field bean and Shell bean plant

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

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

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

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