This member of the Cucurbitaceae family was given this name by Charles Jeffrey in 1978. It is found in south-eastern Mexico and Belize, growing in a well drained soil with some water and some to a lot of sun. The caudex can grow to twelve centimetres in diameter, the entire plant to three metres in height. The flowers are yellow, the fruits are five to seven centimetres and light yellow-orange. It will form roots if the vines touch moist soil. 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 is named after Charles Frederick Millspaugh,1854–1923, an American botanist. The stem by Marco Hijuelos. A slender plant by Marco Hijuelos.

