Phytotelma (plural phytotelmata) is a term for water bodies held by terrestrial plants. The water accumulated within these plants may serve as the habitat for associated fauna and flora. Often the faunae associated with phytotelmata are unique. Some species also are of great practical significance; for example, immature stages of some mosquitoes, such as some Anopheles and Aedes species that are important disease vectors, develop in phytotelmata.
A rich literature in German summarised by Thienemann (1954), developed many aspects of phytotelm biology. Reviews of the subject by Kitching (1971) and Maguire (1971), introduced the concept of phytotelmata to English-speaking readers. A multi-authored book edited by Frank and Lounibos (1983) dealt in 11 chapters with classification of phytotelmata, and with phytotelmata provided by bamboo internodes, banana leaf axils, bromeliad leaf axils, Nepenthes pitchers, Sarracenia pitchers, tree holes, and Heliconia flower bracts.
A classification of phytotelmata by Kitching (2000) recognizes five principal types: bromeliad tanks, certain carnivorous plants such as pitcher plants, water-filled tree hollows, bamboo internodes, and axil water (collected at the base of leaves, petals or bracts); it concentrated on food webs. A review by Greeney (2001) identified seven forms: tree holes, leaf axils, flowers, modified leaves, fallen vegetative parts (e.g. leaves or bracts), fallen fruit husks, and stem rots.
The term was coined by L. Varga in 1928.
- Thienemann, A. (1954). Chironomus: Leben, Verbreitung und wirtschaftliche Bedeutung der Chironomiden. Binnengewässer 20: 1-834.
- Maguire, B. (1971) Phytotelmata: Biota and community structure. Annual review of Ecology and Systematics. 2: 439-464.
- Kitching, R. L. (1971) An ecological study of water-filled treeholes and their position in the woodland ecosystem. Journal of Animal Ecology 40: 281-302.
- Frank, J.H. and Lounibos, L.P. (1983) Phytotelmata: Terrestrial plants as hosts for aquatic insect communities, Plexus Press. ISBN 0-937548-05-7
- Kitching, R.L. (2000). Food webs and container habitats: The natural history and ecology of phytotelmata. Cambridge University Press. ISBN 0-521-77316-4
- Greeney, H.F. (2001). The insects of plant-held waters: a brief review and bibliography. Journal of Tropical Ecology 17(2): 241–260. doi:10.1017/S026646740100116X
- Varga, L. (1928). Ein interessanter Biotop der Biocönose von Wasserorganism. Biologische Zentralblatt 48: 143–162.
-  Bromeliad Biota - Phytotelmata.
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