Complex sentence: Jícama is one species in the genus "Pachyrhizus" that is commonly called yam bean, although the "yam bean" sometimes is another name for jícama.
Split into simpler sentences: Jícama is one species in the genus "Pachyrhizus". Plants in this genus are commonly referred to as yam bean, although the term "yam bean" can be another name for jícama.