This member of the Euphorbiaceae family was given this name by Nicholas Edward Brown in 1925. It is found in southern Namibia and western South Africa, growing in a well drained soil with some water and lots of sun. The caudex can grow to ten centimetres in diameter, the entire plant to eight centimetres in height. The flowers are green. The genera is named after Euphorbos, the Greek physician of King Juba II of Numidia. The species is named from Latin; inorate; ' lacking adornment' for the uniform colour of the plant.

