annals-of-botany
Helical cell wall thickenings in Aspleniaceae
Helical cell wall thickenings in Aspleniaceae Extraxylary helical cell wall thickenings (HCWTs) in vascular plants are not well documented. Leroux et al. study their occurrence and
annals-of-botany
High-resolution proxies for wood microdensitometry
High-resolution proxies for wood microdensitometry Density is a crucial variable in forest and wood science, but gravimetric methods of measurement are mostly destructive and time-
annals-of-botany
Seed of alpine plants are short-lived in storage
Seed of alpine plants are short-lived in storage Alpine ecosystems are considered as being particularly vulnerable to the effects of climate change. Mondoni et al.
annals-of-botany
Radial O2-loss barrier induction and arenchyma formation
Radial O2-loss barrier induction and arenchyma formation Many wetland species form both aerenchyma and a barrier to radial oxygen loss (ROL) in roots, which enhance
annals-of-botany
Plant diversity and functional trait variation
Plant diversity and functional trait variation Variation in plant traits may potentially influence niche segregation at increasing plant diversity. Gubsch et al. investigate above-ground traits
annals-of-botany
Nitrogen and water effects on functional traits
Nitrogen and water effects on functional traits Changes in resource supply can have significant effects on plant functional traits. Ren et al. conduct a field study
annals-of-botany
Coexistence of multiple cytotypes of an orchid
Coexistence of multiple cytotypes of an orchid Large-scale cytotype surveys have indicated that intraspecific ploidy diversification is much more common than previously thought. Trávníček et
annals-of-botany
Polyploidy and mating patterns in the moss Atrichum
Polyploidy and mating patterns in the moss Atrichum Evolutionary transitions from unisexuality to hermaphroditism in mosses are associated with polyploidy. Jesson et al. investigate this association
annals-of-botany
Translocation breakpoints in SSR-rich chromosomal regions
Translocation breakpoints in SSR-rich chromosomal regions Repetitive DNA sequences are thought to be involved in the formation of chromosomal rearrangements, which are important in polyploid
annals-of-botany
Mating system of dwarf eelgrass
Mating system of dwarf eelgrass Seagrasses exhibit extensive clonal growth and kinship structure among neighbouring genets. Zipperle et al. demonstrate a predominantly outcrossing mating system and
annals-of-botany
Post-submergence recovery dynamics of wetland plants
Post-submergence recovery dynamics of wetland plants Fast growth recovery post-submergence is important for establishment of riparian species in zones where water level fluctuates. Luo
annals-of-botany
Orchid reproductive isolation and pollination success
Orchid reproductive isolation and pollination success Few studies have investigated whether non-rewarding plants affect the pollination success of rewarding plants when they grow in close