Cucurbita cylindrata
 Cucurbita cylindrata is a species of flowering plant in the squash family. It is similar to Cucurbita californica Cucurbita cordata Cucurbita digitata and Cucurbita palmata and all these species hybridize readily. These species form the only restricted xerophyte species group in the genus Cucurbita. Each member of this species group is native to the Southwestern United States and Northwestern Mexico where they are relatively uncommon.