Publications by authors named "Silvia S Denham"
Background And Aims: Atripliceae evolved and diversified by dispersals and radiations across continents in both hemispheres, colonizing similar semi-arid, saline-alkaline environments throughout the world. Meanwhile, its species developed different life forms, photosynthetic pathways, mono- or dioecy, and different morphological features in flowers, fruiting bracteoles and seeds. In this study, we introduce a first approach to the macroevolutionary patterns and diversification dynamics of the Atripliceae to understand how time, traits, speciation, extinction and new habitats influenced the evolution of this lineage.
View Article and Find Full Text PDFThe Calyceraceae (47 spp.) is a small family of plants that is sister to the Asteraceae (∼ 25,000 spp.), one of the largest families of angiosperms.
View Article and Find Full Text PDFArticle Synopsis
- The tribe Paniceae s.l. is one of the largest groups within the Panicoideae subfamily of the Poaceae family, featuring over 2000 species with extensive diversity in morphology, cytology, and physiology.
- Recent molecular studies have shown that this tribe is paraphyletic, revealing two main clades based on chromosome numbers (x=9 and x=10), with their relationships to other tribes like Andropogoneae and Arundinelleae.
- A comprehensive analysis involved 155 genera from the Panicoideae subfamily, incorporating genetic data and morphological traits to clarify phylogenetic relationships, emphasizing the significance of chromosomal structure in understanding tribal classifications.