Family Euphorbiaceae Euphorbia spathulata Lam. [Excluded] prairie spurge, warty spurge Euphorbia: for Euphorbus, corpulent Greek physician of Juba II, King of Mauretania. Juba, educated in Rome, and married to daughter of Antony and Cleopatra. From eu, "good" and phorbe, "pasture or fodder," thus giving euphorbos the meaning "well fed." spathulata: shaped like a spatula