Pentapetalae
Group of eudicots known as core eudicots
Pentapetalae
In phylogenetic nomenclature, the Pentapetalae are a large group of eudicots that were informally referred to as the "core eudicots" in some papers on angiosperm phylogenetics. They comprise an extremely large and diverse group accounting for about 65% of the species richness of the angiosperms, with wide variability in habit, morphology, chemistry, geographic distribution, and other attributes. Classical systematics, based solely on morphological information, was not able to recognize this group. In fact, the circumscription of the Pentapetalae as a clade is based on strong evidence obtained from DNA molecular analysis data. The Pentapetalae clade is composed of the orders Berberidopsidales—including the family Aextoxicaceae—Caryophyllales, Santalales and Saxifragales, the families Dilleniaceae and Vitaceae and all members of the clades Asteridae and Rosidae. Phylogenetic analyses of complete chloroplast genome sequences have provided a reliable outline of the relationships among the major...
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