Fabaceae is the most common family found in tropical rainforests and dry forests of the Americas and Africa.

What makes a legume a legume?

A legume (/ˈlɛɡjuːm, ləˈɡjuːm/) is a plant in the family Fabaceae (or Leguminosae), or the fruit or seed of such a plant. ... Legumes produce a botanically unique type of fruit – a simple dry fruit that develops from a simple carpel and usually dehisces (opens along a seam) on two sides.

Where do legumes come from?

These origins cover a diverse range of temperate climates from humid to semiarid. Tropical climates such as South America, India, Japan, and West Africa are the origins of legumes such as the chickpea, winged bean, black-eyed pea, and peanut (Morris 365).