 Having a successful self-incompatibility system evolutionarily benefits this plant because it promotes more out-crossing and in turn creates more diversity within a population.Diversity in a population is important and beneficial because the population has a stronger defense against a lethal or harmful virus or bacteria infecting the entire population.The evolutionary significance of "Tylosema esculentum" is that the discovery of the function heterostylous plant was the first in the family Fabaceae.