Air plant Bot. A plant deriving its sustenance from the air alone; an aërophyte.
 Note: ☞ The “Florida moss” (Tillandsia, many tropical orchids, and most mosses and lichens are air plants. Those which are lodged upon trees, but not parasitic on them, such as the Spanish moss Tillandsia usneoides), are epiphytes.

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 air plant
      n : plant that derives moisture and nutrients from the air and
          rain; usually grows on another plant but not parasitic on
          it [syn: epiphyte, aerophyte, epiphytic plant]