- A plant, such as a tropical orchid or a staghorn fern, that grows on another plant upon which it depends for mechanical support but not for nutrients. Also called aerophyte ,air plant 附生植物：一种生长于另一植物之上的植物，如热带兰或石松， 依靠另一植物支持生长而不以其获得养料 也作 aerophyte,air plant