annals-of-botany
Kiwifruit (Actinidia deliciosa) male-sterile anthers abort at the microspore-stage, but the role sporophytic tissues in controlling male-sterility is unknown. Falasca et al. show
annals-of-botany
Blue iridescence is produced by both the helicoidal wall and silica nanoparticles in the helicoid.
annals-of-botany
Africa was apparently colonized by grasses twice from two different sources, Europe and East Asia.
annals-of-botany
Condensed tannins (proanthocyanidins) are widely distributed amongst the vascular plants (Tracheophyta). Brillouet et al. use a variety of techniques to examine tannin-rich samples from various
annals-of-botany
A novel ultrastructural study of developing stomata in leaves of several representative early-divergent angiosperms.
annals-of-botany
Mechanisms enabling the maintenance of sexual and apomictic modes of seed formation in sympatry are poorly understood. Dobeš et al. study populations of Potentilla puberula representing
annals-of-botany
Stomatal closure can be caused by an increase in internal CO2 concentration resulting from ozone-induced inhibition of carbon assimilation by chloroplasts; however, if stomata can
annals-of-botany
Karl and Koch provide a comprehensive phylogenetic analysis for the Arabideae species assemblage and test for association of trait and characters.
annals-of-botany
BRWN is associated with increased phosphorus acquisition and this may have value for selection of genotypes with better performance in low-phosphorus soils.
annals-of-botany
Van Hoewyk provides a framework on plant selenium toxicity, showing that both malformed selenoproteins and oxidative stress drive selenium-induced stress.
annals-of-botany
Nicaraguan teosinte Zea nicaraguensis, a species found in frequently flooded areas, is useful germplasm for breeding flooding-tolerant maize. Mano and Omori select flooding-tolerant lines
annals-of-botany
Plants can utilize two major forms of inorganic nitrogen, nitrate (NO3–) and ammonium (NH4+), with some species appearing to ‘prefer’ one form over another, under