dolichos beans
Fruit of a member of the bean family; the seeds are somewhat elongated and ovoid.
yard-long bean 
Although mostly eaten fresh and whole, like the green bean, it is less juicy and sweet; its pods measure up to 3 ft in length.
lablab bean 
Characterized by a white ridge; it can be sprouted or ground into flour.
black-eyed pea 
This flavorful seed has a black spot that resembles an eye, hence its name; it is typical especially of southern American cooking.