When the trunk or limb of a tree provides the substrate on which an epiphytic orchid grows,the arrangement benefits the orchid,which gets nutrients from the air and moisture from aerial roots,while the tree is unaffected.The relationship is referred to as

Question

Quizplus · Accepted Answer

The relationship between the epiphytic orchid and the tree is commensalism because the orchid benefits while the tree is not adversely affected or benefited.

When the Trunk or Limb of a Tree Provides the Substrate