Ponytail palm in growing pot (ceramic pot $50)Despite its name and palm like appearance, the ponytail palm is not a true palm. In fact, it is more closely related to desert plants in the Agave and Yucca genera (such as Joshua trees). The typical ponytail palm consists of a large, domed stump, which tapers off into a thinner stem. From the top of the stem, one or more rosettes of long, green, leathery leaves develop as the plant ages. Indoors, the leaves can get up to 3 feet long, but outdoors,