CLADISTICS OF THE MAGNOLIIDAE

@article{Loconte1991CLADISTICSOT,
  title={CLADISTICS OF THE MAGNOLIIDAE},
  author={Henry Loconte and Dennis W. Stevenson},
  journal={Cladistics},
  year={1991},
  volume={7}
}
Abstract A cladistic resolution is presented for the origin of the angiosperms based on a parsimony analysis of 49 taxa of Magnoliidae. Hamamelidae and Alismatidae, with gymnospermous outgroup comparisons for the polarization of 104 characters. The Magnoliidae is recognized as a paraphyletic assemblage of nine orders: Calycanthales, Magnoliales, Laurales, Illiciales, Lactoridales. Ranunculales, Aristolochiales, Piperales and Nymphaeales. The Calycanthaceae and Idiospermaceae are segregated as… 
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Ordinal and familial relationships of Ranunculid genera
A morphological-based cladistic analysis was conducted on 116 ingroup taxa and 5 outgroups coded for 109 characters and 192 apomorphic character states. Ranunculid genera are better organized as the…
Flowers in Magnoliidae and the origin of flowers in other subclasses of the angiosperms. I. The relationships between flowers of Magnoliidae and Alismatidae
TLDR
Comparative ontogenetic studies reveal that the paired arrangement of stamens can be derived from the early stages of a spiral androecium following a perianth consisting of trimerous whorls.
Patterns of floral evolution in the early diversification of non-magnoliid dicotyledons (eudicots)
TLDR
Evidence from morphology and molecular sequence data indicates that extant Ranunculidae as well as “lower” Hamamelididae and several other families are basal in this group of dicotyledons, and cyclic floral architecture is probably basic for eudicots as a whole.
Morphological Phylogenetic Analysis of Living and Fossil Chloranthaceae
TLDR
A parsimony analysis was carried out using morphological data from 38 extant and six fossil species, and the resulting cladograms support the monophyly of the Chloranthaceae as well as the four extant genera Chloranthus, Sarcandra, Ascarina, and Hedyosmum.
Phylogenetic Analyses of Cretaceous Fossils Related to Chloranthaceae and their Evolutionary Implications
TLDR
Results imply that flowers became unisexual before losing the perianth, while bisexual flowers in Canrightiopsis, Sarcandra, and Chloranthus are secondarily derived from unisexual flowers.
Allonia decandra: Floral remains of the tribeHamamelideae (Hamamelidaceae) from Campanian strata of southeastern USA
TLDR
The occurrence of fossils assignable to Loropetalinae during the Campanian documents the existence of Hamamelidaceae with a level of floral organization and character evolution equivalent to that of extant genera, early in the evolutionary history of the family.
Gynoecium diversity and systematics of the Laurales
Carpel and ovule structure was comparatively studied in representatives of all eight families of the Laurales: Amborellaceae, Calycanthaceae, Chloranthaceae, Gomortegaceae,Hernandiaceae, Lauraceae,…
The origin and diversification of angiosperms.
The angiosperms, one of five groups of extant seed plants, are the largest group of land plants. Despite their relatively recent origin, this clade is extremely diverse morphologically and…
Hacia una filogenia de Aristolochia y sus congeneres neotropicales
TLDR
The two monospecific South American genera Euglypha and Holostylis resulted to be placed in crown clades, as the sister groups of Aristolochia subser.
Systematics, biogeography and conservation of Lactoridaceae
TLDR
Recommendation is that the lone species of Lactoris is placed as a monotypic order, Lactoridales, allied most closely to Aristolochiales, and also near Piperales, and genetic variation within and among populations as measured by isozymes and RAPDs is low.
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