Written by the Fiveable Content Team • Last updated September 2025
Written by the Fiveable Content Team • Last updated September 2025
Definition
Epiphytes are plants that grow on other plants for physical support, deriving moisture and nutrients from the air, rain, and debris around them. They do not parasitize the host plant but use it solely for elevation and access to light.
5 Must Know Facts For Your Next Test
Epiphytes are commonly found in tropical and subtropical rainforests.
They include a variety of species such as orchids, ferns, and bromeliads.
Epiphytes have specialized adaptations like aerial roots to absorb water and nutrients from their surroundings.
They play a crucial role in forest ecosystems by providing habitats for various organisms.
Epiphytes contribute to nutrient cycling by trapping organic material in their root systems.
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Related terms
Parasitic Plant: A plant that derives some or all of its nutritional requirements from another living plant.
Aerial Roots: Roots that grow above ground, often seen in epiphytic plants for absorbing moisture and nutrients from the air.
A close and long-term biological interaction between two different biological organisms, which includes mutualistic relationships like those involving some epiphytes.