annals-of-botany
Macroevolution of major clades is often studied by plotting their taxonomic diversity through time. It is equally informative, but less commonplace, to investigate how clades explore
annals-of-botany
Species within the Ranunculales bear flowers of formidable variation; for example, one can find novel floral organs and loss of floral organs, zygomorphic and radially symmetric
annals-of-botany
Embryogenesis has evolved independently in plants and animals. Comparative studies in animals have pointed towards an hourglass pattern of embryo development where early events are less
annals-of-botany
Rutishauser presents a pictorial report on released bauplans as typical for bladderworts (Utricularia, Lentibulariaceae) and river-weeds (Podostemaceae) within eudicots (angiosperms). Lentibulariaceae are carnivorous, possessing flypaper
annals-of-botany
Stomata in the moss Funaria are regularly spaced at the base of the capsule. Merced and Renzaglia describe the patterning and distribution of stomata and how
annals-of-botany
Why some taxa are more species-rich than others still represents a major conundrum in biology. Ecological opportunities and evolutionary innovations are considered main factors that
annals-of-botany
Many gymnosperms produce an ovular secretion, the pollination drop, during reproduction. The drops serve as a landing site for pollen, but also contain a suite of
annals-of-botany
Robustness, the inverse of noise, is a molecularly programmed feature of biological systems. The molecular networks of some organismal phenotypes like development are designed to maximize
annals-of-botany
Diversity (number of included species) and disparity (extent of morphospace occupied) are indicators of a clade’s success. Many large genera show high diversity with low
annals-of-botany
Understanding the variation of leaf anatomy and its influence on photosynthesis is very important for yield improvement. Xiong et al. found that leaf mass per area
annals-of-botany
Most, if not all, organisms possess the ability to alter their phenotype in direct response to changes in their environment, a phenomenon known as phenotypic plasticity.
annals-of-botany
The two very species-rich families Apocynaceae and Orchidaceae contain the most complex flowers in the angiosperms. Although they are not related they show a number