[Bigg Red]

Learned a new word: pulses (refers to legumes that grow in pods)

The article says that potassium is found in:

...most types of food, but particularly in fruit, such as bananas, vegetables, pulses, nuts and seeds, milk, fish, chicken and bread.

[JoeProBono]

While “nut” is in their name, peanuts are in fact legumes. Peanuts actually grow underground, as opposed to nuts like walnuts, almonds, etc. that grow on trees (and are sometimes referred to as "tree nuts").