Highlights•Polyploidy or whole-genome duplication (WGD) is a ubiquitous feature of plant
genomes.•Polyploidy is most frequent in angiosperms.•A complex pattern of polyploidy is …

The role of γ-aminobutyric acid (GABA) as a signal in animals has been documented for
over 60 years. In contrast, evidence that GABA is a signal in plants has only emerged in the …

An update of the Angiosperm Phylogeny Group (APG) classification of the orders and
families of angiosperms is presented. Several new orders are recognized: Boraginales …

Background Next-generation sequencing has provided a wealth of plastid genome
sequence data from an increasingly diverse set of green plants (Viridiplantae). Although …

Aristolochia, a genus in the magnoliid order Piperales, has been famous for centuries for its
highly specialized flowers and wide medicinal applications. Here, we present a new, high …

The assembly of DNA barcode libraries is particularly relevant within species-rich natural
communities for which accurate species identifications will enable detailed ecological …

• Premise of the study: It has been 8 years since the last comprehensive analysis of
divergence times across the angiosperms. Given recent methodological improvements in …

Orthoptera is the most diverse order among the polyneopteran groups and includes familiar
insects, such as grasshoppers, crickets, katydids, and their kin. Due to a long history of …

• Premise of the study: Recent analyses employing up to five genes have provided
numerous insights into angiosperm phylogeny, but many relationships have remained …

Friedman WE, RC Moore, and MD Purugganan. 2004. The evolution of plant development.
Am. J. Bot. 91: 1726–1741. Friis EM, PR Crane, and KP Pedersen. 1997. Fossil history of …