Topic
Asterales
About: Asterales is a research topic. Over the lifetime, 61 publications have been published within this topic receiving 1610 citations.
Papers published on a yearly basis
Papers
TL;DR: A molecular phylogeny is presented showing that the Hawaiian lobeliads are the product of one immigration event; that they are the largest plant clade on any single oceanic island or archipelago; and that diversification of Cyanea saturates in less than 1.5 Myr.
Abstract: The endemic Hawaiian lobeliads are exceptionally species rich and exhibit striking diversity in habitat, growth form, pollination biology and seed dispersal, but their origins and pattern of diversification remain shrouded in mystery. Up to five independent colonizations have been proposed based on morphological differences among extant taxa. We present a molecular phylogeny showing that the Hawaiian lobeliads are the product of one immigration event; that they are the largest plant clade on any single oceanic island or archipelago; that their ancestor arrived roughly 13 Myr ago; and that this ancestor was most likely woody, wind-dispersed, bird-pollinated, and adapted to open habitats at mid-elevations. Invasion of closed tropical forests is associated with evolution of fleshy fruits. Limited dispersal of such fruits in wet-forest understoreys appears to have accelerated speciation and led to a series of parallel adaptive radiations in Cyanea , with most species restricted to single islands. Consistency of Cyanea diversity across all tall islands except Hawai i suggests that diversification of Cyanea saturates in less than 1.5 Myr. Lobeliad diversity appears to reflect a hierarchical adaptive radiation in habitat, then elevation and flower-tube length, and provides important insights into the pattern and tempo of diversification in a species-rich clade of tropical plants.
406 citations
Book•
1 Jan 1990
TL;DR: The phylogeny, coevolution, colonization, and colonization of Polyphagous species are summarized.
Abstract: 1. Division BRYOPHYTA.- 2. Divisions EQUISETOPHYTA and POLYPODIOPHYTA.- Class EQUISETATAE.- Class FILICOPSIDA.- 3. Division PINOPHYTA.- 4. Division MAGNOLIOPHYTA (ANGIOSPERMS).- A. Class MAGNOLIOPSIDA (DICOTYLEDONS).- Subclass MAGNOLIIDAE.- Subclass HAMAMELIDAE.- Subclass CARYOPHYLLIDAE.- Subclass DILLENIIDAE.- Subclass ROSIDAE.- Subclass Asteridae.- Order ASTERALES.- B. Class LILIOPSIDA (MONOCOTYLEDONS).- Superorder LILIIFLORAE.- Superorder ARIFLORAE.- Superorder ALISMATIFLORAE.- Superorder BROMELIIFLORAE.- Superorder ZINGIBIFLORAE.- Superorder COMMELINIFLORAE.- Order CYPERALES.- Order POALES.- 5. Polyphagous species.- 6. Concluding remarks: phylogeny, coevolution, colonization.- Taxonomic Appendix.- Acknowledgements.- References.
375 citations
Book•
1 Jan 2007
TL;DR: This volume contains a complete systematic treatment of the flowering plant order Asterales, comprising 12 families with approx.
Abstract: This volume contains a complete systematic treatment of the flowering plant order Asterales, comprising 12 families with approx. 1,720 genera and about 26,300 species. The order includes Compositae as the largest family of flowering plants. Based on traditional studies, several of the constituent families have long been recognized as being closely interrelated. The inclusion in the order of Alseuosmiaceae, Argophyllaceae, Carpodetaceae, Phellinaceae and Rousseaceae is the result mainly of new advances in molecular systematics. Identification keys are provided for all genera, and likely phylogenetic relationships are discussed extensively. The wealth of information contained in this volume makes it an indispensable source for all working in the fields of pure and applied plant sciences.
115 citations
TL;DR: In search for the sister group of the Asteraceae, morphological evidence was assembled for investigating the relationship between the Aster Families and those families most frequently considered to be sister groups.
Abstract: In search for the sister group of the Asteraceae, morphological evidence was assembled for investigating the relationship between the Asteraceae and those families most frequently considered to be ...
88 citations
TL;DR: A data matrix of 143 morphological and chemical characters for 142 genera of euasterids according to the APG system was compiled and complemented with rbcL and ndhF sequences for most of the genera and indicates that Adoxaceae are closely related to Dipsacales and hence they should be included in that order.
Abstract: A data matrix of 143 morphological and chemical characters for 142 genera of euasterids according to the APG system was compiled and complemented with rbcL and ndhF sequences for most of the genera. The data were subjected to parsimony analysis and support was assessed by bootstrapping. Strict consensus trees from analyses of morphology alone and morphology + rbcL + ndhF are presented. The morphological data recover several groups supported by molecular data but at the level of orders and above relationships are only superficially in agreement with molecular studies. The analyses provide support for monophyly of Gentianales, Aquifoliales, Apiales, Asterales, and Dipsacales. All data indicate that Adoxaceae are closely related to Dipsacales and hence they should be included in that order. The trees were used to assess some possible morphological synapomorphies for euasterids I and II and for the orders of the APG system. Euasterids I are generally characterised by opposite leaves, entire leaf margins, hypogynous flowers, “early sympetaly” with a ring-shaped corolla primordium, fusion of stamen filaments with the corolla tube, and capsular fruits. Euasterids II often have alternate leaves, serrate-dentate leaf margins, epigynous flowers, “late sympetaly” with distinct petal primordia, free stamen filaments, and indehiscent fruits. It is unclear which of these characters represent synapomorphies and symplesiomorphies for the two groups, respectively, and there are numerous expections to be interpreted as reversals and parallelisms.
80 citations
Related Topics (5)
Performance Metrics
| Year | Papers |
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| 2021 | 4 |
| 2020 | 2 |
| 2019 | 5 |
| 2018 | 4 |
| 2017 | 3 |
| 2016 | 3 |