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    ISSN: 1573-5052
    Keywords: Amphibious plants ; Growth rate ; Littorella uniflora ; Morphological adaptations
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Morphological – anatomical features of the terrestrial and the aquatic life form of the rosette species Littorella uniflora, inhabiting nutrient poor soils of oligotrophic lakes, were investigated together with growth rates of both life forms and of transplants. Growth rates were the same for the two life forms. However, growth of transplanted plants was somewhat reduced by transition from one environment to another. This was especially true for aquatic plants, which may be stressed by desiccation when moved to the terrestrial environment. The morphological – anatomical differences between the life forms were small compared with many other amphibious species which produce highly specialized leaves and life forms in air and under water. It is suggested that the conservative leaf morphology of Littorella is a consequence of the high dependence on rhizospheric CO2 of both the aquatic and the terrestrial form of Littorella, making production of leaves specialized for carbon uptake in one specific environment unnecessary.
    Type of Medium: Electronic Resource
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