Association of vegetative and reproductive organs of platanoids (Angiospermae): significance for systematics and phylogeny |
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| Authors: | N P Maslova |
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| Institution: | (1) Paleontological Institute, Russian Academy of Sciences, Profsoyuznaya ul. 123, Moscow, 117997, Russia |
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| Abstract: | Some examples of association between platanoid leaves and various reproductive structures are considered. The expediency of
determining dispersed Cretaceous platanoid leaves using a morphological system that is independent of the system of modern
plants is discussed. It is confirmed that leaf structures are more conservative than reproductive organs. It is proposed that,
in the geological past, there was a polymorphic group that was probably represented by extinct families which gave rise to
modern families (in particular, Platanaceae and Hamamelidaceae). |
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| Keywords: | Vegetative and reproductive plant organs Platanaceae Hamamelidaceae principles of systematics and phylogeny |
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