epiphytic       
adjective  biology specialized uk/ep.ɪˈfɪt.ɪk/ us/ep.əˈfɪt̬.ɪk/
 (植物)附生的
relating to a plant that grows on another plant but does not feed from it
  epiphytic orchids 附生的兰花 
 The whisk ferns are epiphytic. 松叶蕨是附生植物。 
 See: epiphyte
 - More examples
 - Epiphytic cacti grow among the branches of larger trees.
 - These plants live in nutrient-poor epiphytic habitats.
 - Epiphytic orchids live on the branches of other plants, usually trees.