title: Mating-system evolution: succeeding by celibacy.
authors.affiliation: Department of Plant Sciences, University of Oxford, South Parks Road, Oxford OX13RB, UK. john.pannell@plants.ox.ac.uk
authors.forename: John R
authors.initials: JR
authors.lastname: Pannell
mesh_terms: D005075:Biological Evolution; D029595:Orchidaceae / Q000033:anatomy & histology / Q000502:physiology*; D011157:Population Dynamics; D012100:Reproduction, Asexual; D013045:Species Specificity