You can probably recognize a cactus without a second glance. Even snake plants are becoming more and more common. But what about donkey tails? Or trachyandra (say that five times fast). If you already have a home filled with plant babies that all look the same, you might want to make one of these varieties your next addition.
Okay, they're not technically "stones," but lithops — also called pebble plants — mimic minerals quite easily. The smooth succulents disguise themselves as rocks on the dry plains of southern Africa, but the rounded pairs of leaves would do quite well on a very sunny windowsill. Just be careful; "overwatering is the death of lithops," according to .
Commonly known as "Donkey Tail," the Sedum Morganianum produces stems that can grow up to 24 inches long and produces blue-green leaves. It's also native to southern Mexico and Honduras.