This member of the Euphorbiaceae family was given this name by Robert Sweet in 1818. It is found in Namibia and western South Africa, growing in a well drained quartzite gravel soil with some water and lots of sun. The caudex can grow to five centimetres in diameter, the entire plant to 45 centimetres in height. The flowers are green over yellow to red. The genera is named after Euphorbos, the Greek physician of King Juba II of Numidia. The species is named means 'hook shaped'. This is a winter-grower, but opportunistic. Habitat by Tony Rebelo, Ispotnature.org. A large bush by Bhekisis, Ispotnature.org. A big flowering plant by Alan Horstmann, Ispotnature.org.

