This member of the Cucurbitaceae family was given this name by Charles Jeffrey in 1978. It is found in south-western Mexico where it grows in well-drained soil, using quite some water in the growing-period and not too much sun. The caudex can grow to twelve centimetres, the vines up to two metres. The flowers are yellow Ibervillea is dioecious, there are separate male and female plants.
The genera name after Pierre LeMoyne Sieur D'Iberville, 17th century explorer and settler in America. The species name means 'white underneath'. Must be the caudex.

