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This rare orchid is unique for several reasons. First, it resembles a ghost when its white flower moves at night; hence, it is known as the Ghost Orchid. It is also leafless, and its roots attach to the bark of the host tree. About 2,000 ghost orchids remain in Florida, all the more reason to step up efforts to stabilize the current populations.
Orchids that produce aerial roots are called epiphytes. In nature, these roots help the plant anchor itself to trees. Often, epiphytic orchids produce aerial roots simply because it's what they do in nature. However, if the orchid has been in its container for very long, the plant may produce aerial roots because it is pot-bound. Aerial roots do no harm to the orchid.