(1) Département de Botanique, Service de Botanique systématique et de Phytogéographie, Université de Liège, Sart Tilman, B-4000 Liège, Belgium;(2) Department of Botany, University of Leicester, Leicester, England
Abstract:
Some abnormalities in the androecial structure and behaviour withinVulpia sect.Vulpia are described. These features help to trace the evolutionary history of cleistogamous taxa with a single micranthous stamen from chasmogamous taxa with three macranthous stamens.