epiphyte

This term describes a specific biological relationship where a plant uses another as a structural anchor without stealing nutrients. It is a precise botanical classification that distinguishes these plants from parasites, which actively harm their hosts by draining resources. The word evokes an image of lush, layered greenery in humid environments like cloud forests.

Because it is a technical scientific term, it is primarily used in academic, ecological, or horticultural contexts. In casual conversation, people might simply refer to these as air plants, though epiphyte remains the standard for formal biological discourse.