This member of the Fouquieriaceae family was given this name by Ivan Murray Johnston in 1925. It if found in Mexico, growing in a well drained soil with some water and lots of sun. The stem will grow to 30 centimetres in diameter and reach for four meters in height. The flowers are red, and the plant can be reproduced both by seeds and cuttings.

Named after Leon Diguet, a French explorer.