%0 Journal Article %T Obdiplostemony: the occurrence of a transitional stage linking robust flower configurations %A Kester Bull-Here£żu %A Louis Ronse De Craene %J Archive of "Annals of Botany". %D 2016 %R 10.1093/aob/mcw017 %X Background and Aims Obdiplostemony has long been a controversial condition as it diverges from diplostemony found among most core eudicot orders by the more external insertion of the alternisepalous stamens. In this paper we review the definition and occurrence of obdiplostemony, and analyse how the condition has impacted on floral diversification and species evolution %K asterids %K common petal¨Cstamen primordia %K diplostemony %K floral bauplan %K haplostemony %K isomery %K obdiplostemony %K obhaplostemony %K petal loss %K rosids %K staminodes %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4845804/