Because orchids are designed to be an aerial type of plants
Orchids have a fibrous root system. Orchids are monocotyledons and monocots only have fibrous root systems. (NOT chicken roots....-_-)
ambot
roots that never touch the ground for example orchids
Bromelaids,venus fly trap, orchids,buttress roots,and Kapok trees.
There are two types of orchids - ground orchids and epiphytic orchids (those with areal roots which are found growing on the trunks of trees). Generally orchids are found in tropical or subtropical areas with high humidity, high rainfall and slightly acidic soil (for the ground dwelling type). There are also a small group of orchids which are found in arid areas - but very limited in range.
Roots
nick dudley
its roots help stay inthe ground and its variety colors
Bromelaids,venus fly trap, orchids,buttress roots,and Kapok trees.
Plants roots that are above ground are called aerial roots. Examples are some types of orchids, mangroves, and banyon trees.
Orchids do, they grow in a type of a fur barks but some roots do grow out and on top of the barks but mostly the roots are under, in the bark. There are some air ferns that grow out in the air without soil or anything. They need only misting with water daily.