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Adaptations of epiphytic plants to water and nutrient uptake
 Oppeltová, Soňa ; Ponert, Jan (advisor) ; Neuwirthová, Eva (referee)
Epiphytes are plants that grow on other plants but do not parasitize them. Because of irregular availability of water and nutrients, epiphytes evolved specific adaptations. These adaptations enable fast water and nutrient uptake and their efficient storage. For the uptake of water epiphytes evolved especially adaptations of roots and leaves. Roots produce velamen radicum and leaves develop specific absorptive trichomes. The uptake of water is related with the uptake of nutrients because first drops of rain are nutrient relatively rich. Another source of nutrients is organic material which falls from trees. Some epiphytes can retain it and acquire nutrients from its decomposition. Animals can also help epiphytes with nutrition. They can provide urea which is probably very essential for many bromeliads. Animals can also live in more specific symbioses with epiphytes, the most common being the symbiosis with ants. Epiphytes evolved many adaptations, but some of them are poorly understood.
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