Utricularia
Bladderwort
Genus recognized by
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Lentibulariaceae +
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Utricularia
- Utricularia amethystina Salzm. ex St. -Hil. & Girard +
- Utricularia bifida L. +
- Utricularia caerulea L. +
- Utricularia cornuta Michx. +
- Utricularia exoleta R. Br. +
- Utricularia floridana Nash +
- Utricularia foliosa L. +
- Utricularia geminiscapa Benj. +
- Utricularia gibba L. +
- Utricularia inflata Walt. +
- Utricularia intermedia Hayne +
- Utricularia juncea Vahl +
- Utricularia macrorhiza Le Conte +
- Utricularia minor L. +
- Utricularia ochroleuca R. W. Hartman +
- Utricularia olivacea C. Wright ex Griseb. +
- Utricularia purpurea Walt. +
- Utricularia pusilla Vahl +
- Utricularia racemosa Wallich +
- Utricularia radiata Small +
- Utricularia resupinata B. D. Greene ex Bigelow +
- Utricularia simulans Pilger +
- Utricularia striata Le Conte ex Torrey +
- Utricularia subulata L. +
- Utricularia uliginosa Vahl +
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Utricularia
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Lentibulariaceae +
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Scrophulariales +
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Magnoliopsida +
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Magnoliophyta +
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Table of Contents
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General Description
Photosynthesis with low CO2: peatland plants
Source and Additional Information
Plants in calcareous peatlands photosynthesize in low CO2 levels by taking up bicarbonate and converting it to CO2.
"Some plant species live entirely submerged. The leaves are often very thin, with a large surface area, and lack stomata. Some of these plants are rooted in the bottom, but others have no roots at all (for instance Utricularia spp.). Waters around these plants can be still, slowly moving, or rapidly mixing as in case of rivers and lakes with peatland margins. Such plants take up carbon dioxide (C02) and nutrients directly into the leaves from the water, just in the way that bryophytes do. Carbon dioxide is rarely limiting, but in waters with very high pH (as in calcareous fens) the availability of C02 is much reduced, and some plants have the ability to take up bicarbonate (HC03 -), which is then converted to C02 in the cell and used in photosynthesis. Examples are the stoneworts (Characeae), which are characteristic species in calcareous waters, and several species of Myriophyllum and Ceratophyllum (Hutchinson 1975). Given that there are enough plants, they can produce the oxygen required for respiration themselves." (Rydin and Jeglum 2006:46-47)
Learn more about this functional adaptation.
References
- Rydin, H.; Jeglum, J. K. 2006. The Biology of Peatlands. Oxford University Press. 343 p.
- Hutchinson, GE. 1975. A treatise on limnology. III Limnological botany. New York: John Wiley & Sons. 660 p.
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"Utricularia". Encyclopedia of Life, available from "http://www.eol.org/pages/59012". Accessed
22 Mar 2010.
