Robuta

https://www.sciencedaily.com/releases/2012/04/120426174100.htm Geneticists identify genes linked to Western African Pygmies' small stature | ScienceDaily If Pygmies are known for one trait, it is their short stature: Pygmy men stand just 4'11" on average. Now a study of the Western African Pygmies in Cameroon... western african pygmiesgeneticistsidentifygeneslinked