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Temperature Dependent Leaf Morphogenesis in Ranunculus flabellaris

Abstract

INDIVIDUAL plants of the amphibious buttercup species Ranunculus flabellaris Raf. are known to produce leaves of differing morphologies in response to differing environments. Leaves produced in the aquatic phase are highly dissected, while terrestrially produced leaves are less dissected or simply trilobed. Bostrack and Millington1 have demonstrated that of the environmental variables to which the plants are normally exposed, changes in temperature produce the greatest changes in leaf morphology. An increase in leaf dissection occurs with a decrease in temperature. Similar observations have been made by Bauer2 and Fisher3 in taxonomically diverse aquatic and terrestrial species of Ranunculus.

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References

  1. Bostrack, J., and Millington, W., Bull. Torrey Bot. Club, 89, 1 (1962).

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  2. Bauer, L., Planta, 40, 515 (1952).

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  3. Fisher, F., Nature, 173, 406 (1954).

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JOHNSON, M. Temperature Dependent Leaf Morphogenesis in Ranunculus flabellaris. Nature 214, 1354–1355 (1967). https://doi.org/10.1038/2141354a0

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