- broad bean, fava bean, horsebean - seed of the broad-bean plant
--1 is a kind of fodder; bean, bean plant
--1 is a part of - Jerusalem thorn, horsebean, Parkinsonia aculeata - large shrub or shrubby tree having sharp spines and pinnate leaves with small deciduous leaflets and sweet-scented racemose yellow-orange flowers; grown as ornamentals or hedging or emergency food for livestock; tropical America but naturalized in southern United States
--2 is a kind of shrub, bush
--2 is a member of Parkinsonia, genus Parkinsonia