I am not including spiny species, like the Euphorbia baioensis (left) or the myriad leafless, spineless medusoid species like Euphorbia inermis (right), in this article This article will be an introduction to some of the more common "stick plant" Euphorbias.Ĭylindropuntia kleiniae ( left photo shindagger) and Echinocereus waldeisii ( right photo CactusJordi) have the common name of pencil cacti, but these are true cacti I have grown several of these peculiar Euphorbias, though are dozens more I have no experience with. It should be noted there are some true cacti also with the common name pencil cactus (a few Cylindropuntia and an Echinocereus share this common name as well). ![]() These plants are a excellent demonstration of convergent evolution, and adaption to environmental conditions with independent development of the "stick" (leafless and spineless) architecture. ![]() Though many are from South Africa, it is interesting that many are from diverse areas of the world, from northern Africa, to the Mediterranean, and some from South America, Central American and even the U.S. They are not cacti at all, however, but succulent spineless plants from various warmer parts of the globe. These are actually Euphorbias, though the common name for several of them are Pencil Cacti. One of the weirder group plants you can grow are those I call the stick plants. Your questions and comments are welcome, but please be aware that authors of previously published articles may not be able to promptly respond to new questions or comments.) (Editor's Note: This article was originally published on August 23, 2010.
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