John Bryant takes a closer look at some of this month's Original Articles
Plants and the K–T Boundary
Streptophyte algae and the origin of embryophytes
Host-specific races in the holoparasitic angiosperm Orobanche minor
Use of sediment CO2 by submersed rooted plants
Diel changes in nitrogen and carbon resource status and use for growth in young plants of tomato (Solanum lycopersicum)
Chromosome elimination, addition and introgression in intertribal partial hybrids between Brassica rapa and Isatis indigotica
Woodiness within the Spermacoceae–Knoxieae alliance (Rubiaceae)
The ant-pollination system of Cytinus hypocistis (Cytinaceae), a Mediterranean root holoparasite
Effect of variation in self-incompatibility on pollen limitation and inbreeding depression in Flourensia cernua (Asteraceae) scrubs of contrasting density
Environmental regulation of dormancy loss in seeds of Lomatium dissectum (Apiaceae)
Using a model-based framework for analysing genetic diversity during germination and heterotrophic growth of Medicago truncatula
Visibility vs. biomass in flowers
Population dynamics along a primary succession gradient
Anatomical features that facilitate radial flow across growth rings and from xylem to cambium in Cryptomeria japonica
Flower thermoregulation facilitates fertilization in Asian sacred lotus