About Opuntia dillenii (Ker Gawl.) Haw.
Opuntia dillenii (Ker Gawl.) Haw. is a species of prickly pear cactus that is native to tropical and subtropical regions of the Americas. It has become naturalized in many other regions across the globe. It can be distinguished from the related species Opuntia stricta by having more spines per areole, typically more than 3 spines per areole.