Epiphytes

by Christian C.

Epiphytes

Epiphytic plants are vegetation that rely on various other plants for physical support, growing on branches and limbs rather than rooting into the soil. Or in the case of marine species, rooting in the seafloor or attaching to other hosts. It is estimated that there are actually about 30,000 epiphytic plant species around the world, with around half of these types residing in the rainforest. The growth of such plants illustrates exactly how effective and successful their lifestyles have become.

The term epiphytic derives within the Ancient greek language epi- (meaning 'upon') and phyton (meaning 'plant'). Epiphytic plants are sometimes known as "air plants" as they do not root in earth. There are other examples, such as marine varieties of algae, including seaweeds, which can attach themselves on other water vegetation.

Epiphytic plants use photosynthesis for energy and acquire water from the air or from other sources. These other sources can include rainfall, cloud moisture of even from the surface of the attached hosts. Cup or scales can develop, which also may be used to retain water. Roots from these plants may develop and are generally used to secure the air plants to the surface of the attached host.

Although most of these plants are not parasitic, attaching to other vegetation can cause some harm. Some strip protective bark away as they put down roots, for example, and many shade the leaves of their hosts, preventing them from photosynthesizing. Epiphytic plants can also attract insects which may damage a tree, and they can increase wind resistance, which can be dangerous for trees in windy areas. Naturally, these varieties do not want to kill their hosts, so most have evolved to live as symbiotically as possible in a mutually beneficial relationship. For example, epiphytes can store water and nutrients which can be used by their hosts.

In the rainforest, epiphytic plants collect in the forest canopy. Because they can grow up in the air, they can position themselves in a sunny location, putting them at a distinct advantage over plants on the ground, which in many cases are heavily shaded. Living in the canopy also gives these plants access to an array of animals and insects rarely seen near the ground, and to more water. Many animals use epiphytes in the rainforest as habitats, living in the hollows created by their leaves.




Christian C.
Christian C.

Author


2 Responses

Mae Ellen Green
Mae Ellen Green

January 20, 2016

Thank you very much for all your help and my plants made it to Hawaii in great condition…I am very happy!

ishe
ishe

November 22, 2015

i think these plants they are ecological important since they do not harm their host instead they provide a mutulistic relationship with their host. All plant benefits from one another.

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