Phylogeny, Classification and Floral Evolution of Water Lilies (Nymphaeaceae; Nymphaeales): A Synthesis of Non-molecular, rbcL, matK, and 18S rDNA Data

Les, Donald H.; Schneider, Edward L.; Padgett, Donald J.; Soltis, Pamela S.; Soltis, Douglas E.; Zanis, Michael J.

doi:10.2307/2419384

Cited by 121 publications

(88 citation statements)

References 44 publications

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“…The taxon sampling is the same as in Eklund et al (2004), including all the ANITA taxa, Chloranthaceae, and three relatively plesiomorphic representatives of divergent lines among the remaining groups, the eumagnoliid taxa Asaroideae (Aristolochiaceae), Saururaceae, and Winteraceae (see Eklund et al 2004 for discussion), but with Nymphaeales and Chloranthaceae reduced to single taxa. When states varied within the last two taxa, they were scored as having ancestral states inferred from the internal topologies found by Les et al (1999), Doyle and Endress (2000), and Eklund et al (2004).…”

Section: Methodsmentioning

confidence: 99%

Perspective: The Origin of Flowering Plants and Their Reproductive Biology?a Tale of Two Phylogenies

Friedman¹,

Floyd²

2001

Evolution

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. Recently, two areas of plant phylogeny have developed in ways that could not have been anticipated, even a few years ago. Among extant seed plants, new phylogenetic hypotheses suggest that Gnetales, a group of nonflowering seed plants widely hypothesized to be the closest extant relatives of angiosperms, may be less closely related to angiosperms than was believed. In addition, recent phylogenetic analyses of angiosperms have, for the first time, clearly identified the earliest lineages of flowering plants: Amborella, Nymphaeales, and a clade that includes Illiciales/Trimeniaceae/Austrobaileyaceae. Together, the new seed plant and angiosperm phylogenetic hypotheses have major implications for interpretation of homology and character evolution associated with the origin and early history of flowering plants. As an example of the complex and often unpredictable interplay of phylogenetic and comparative biology, we analyze the evolution of double fertilization, a process that forms a diploid embryo and a triploid endosperm, the embryo‐nourishing tissue unique to flowering plants. We demonstrate how the new phylogenetic hypotheses for seed plants and angiosperms can significantly alter previous interpretations of evolutionary homology and firmly entrenched assumptions about what is synapomorphic of flowering plants. In the case of endosperm, a solution to the century‐old question of its potential homology with an embryo or a female gametophyte (the haploid egg‐producing generation within the life cycle of a seed plant) remains complex and elusive. Too little is known of the comparative reproductive biology of extant nonflowering seed plants (Gnetales, conifers, cycads, and Ginkgo) to analyze definitively the potential homology of endosperm with antecedent structures. Remarkably, the new angiosperm phylogenies reveal that a second fertilization event to yield a biparental endosperm, long assumed to be an important synapomorphy of flowering plants, cannot be conclusively resolved as ancestral for flowering plants. Although substantive progress has been made in the analysis of phylogenetic relationships of seed plants and angiosperms, these efforts have not been matched by comparable levels of activity in comparative biology. The consequence of inadequate comparative biological information in an age of phylogenetic biology is a severe limitation on the potential to reconstruct key evolutionary historical events.

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Section: Methodsmentioning

confidence: 99%

Perspective: The Origin of Flowering Plants and Their Reproductive Biology?a Tale of Two Phylogenies

Friedman¹,

Floyd²

2001

Evolution

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“…Another important feature that distinguishes Brasenia and relatives from Notonuphar is the lack of exotestal tissue between micropyle and hilum indicating differences in the development of the integuments as suggested by Yamada et al (2001). In this respect, the seeds of Notonuphar are Les et al 1999). Separation of micropyle and hilum by testal tissue is a feature uniting Notonuphar with Nuphar and other genera of the Nymphaeaceae more similar to those of Nuphar.…”

Section: Discussion Systematic Affinitymentioning

confidence: 90%

“…6). We used the tree of Les et al (1999) derived from a combined molecular and morphological data analysis and added Trithuria. This tree is in accordance with those generated by later analyses (e.g., Borsch et al 2007Borsch et al , 2008Taylor and Gee 2014) showing Cabombaceae as monophyletic and sister to Nymphaeaceae.…”

Section: Discussion Systematic Affinitymentioning

confidence: 99%

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Notonuphar antarctica, an extinct water lily (Nymphaeales) from the Eocene of Antarctica

et al. 2017

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“…he angiosperm order Nymphaeales has been most commonly treated as comprising one or two families of entirely aquatic plants, Nymphaeaceae sensu stricto (water lilies), including the genera Nymphaea, Nuphar, Barclaya, Victoria, Euryale, and Ondinea, and the less widely known Cabombaceae, including the genera Cabomba and Brasenia (1,2). The nonaquatic woody group Illiciales (Illicium and Schisandraceae) have been placed as a sister group of the core Nymphaeales based on some, but not all, recent molecular analyses.…”

mentioning

confidence: 99%

Cretaceous flowers of Nymphaeaceae and implications for complex insect entrapment pollination mechanisms in early Angiosperms

Gandolfo

Nixon

Crepet

2004

Proc. Natl. Acad. Sci. U.S.A.

108

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Based on recent molecular systematics studies, the water lily lineage (Nymphaeales) provides an important key to understanding ancestral angiosperm morphology and is of considerable interest in the context of angiosperm origins. Therefore, the fossil record of Nymphaeales potentially provides evidence on both the timing and nature of diversification of one of the earliest clades of flowering plants. Recent fossil evidence of Turonian age (Ϸ90 million years B.P.) includes fossil flowers with characters that, upon rigorous analysis, firmly place them within Nymphaeaceae. Unequivocally the oldest floral record of the Nymphaeales, these fossils are closely related to the modern Nymphaealean genera Victoria (the giant Amazon water lily) and Euryale. Although the fossils are much smaller than their modern relatives, the precise and dramatic correspondence between the fossil floral morphology and that of modern Victoria flowers suggests that beetle entrapment pollination was present in the earliest part of the Late Cretaceous.

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Phylogeny, Classification and Floral Evolution of Water Lilies (Nymphaeaceae; Nymphaeales): A Synthesis of Non-molecular, rbcL, matK, and 18S rDNA Data

Cited by 121 publications

References 44 publications

Perspective: The Origin of Flowering Plants and Their Reproductive Biology?a Tale of Two Phylogenies

Perspective: The Origin of Flowering Plants and Their Reproductive Biology?a Tale of Two Phylogenies

Notonuphar antarctica, an extinct water lily (Nymphaeales) from the Eocene of Antarctica

Cretaceous flowers of Nymphaeaceae and implications for complex insect entrapment pollination mechanisms in early Angiosperms

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