ocr: Euphorbias. Which of these are cacti? In fact none of them are. Morphological adaptations to aridity, very similar to those seen in cacti, have evolved in a number of other plant groups. Cactus - like For example, among the Old euphorbias World euphorbias, plants very frequently mistaken for cacti (such as those shown here) have evolved in hot arid environments. - - - - - -
(.png)
