From eagle-rock.org

Faboideae is a subfamily of the flowering plant family Fabaceae or Leguminosae. One acceptable alternative name for the subfamily is Papilionoideae. This subfamily is widely distributed and members are adapted to a wide variety of environments. Faboideae may be trees, shrubs or herbs. The flowers are classically pea shaped and root nodulation is very common.

See Faboideae - Wikipedia