Slipper spurge is a type of succulent plant that grows in dry regions and has a unique appearance with its bright green leaves and small yellow flowers. Although slipper spurge is the most common name used for this plant, there are several synonyms that can be used interchangeably including Euphorbia glauca, Euphorbia lathyris, and caper spurge. These synonyms are often used by botanists, horticulturists and garden enthusiasts to describe this plant and distinguish it from other types of Euphorbias. Whether you call it slipper spurge or one of its synonyms, this unique plant adds a pop of color and texture to any landscape or garden.