… , morphology and structure of flower, breeding system, pollen viability and the acceptance of
… the stamens of hermaphrodites may assure reproduction and be a reward for the pollinator. …

… sexual systems within different lineages of the genus Silene [… Sex determination in dioecious
Mercurialis annua and its … : Implications for morphological and sexual system evolution [ J]. …

… and other factors may affect the mating pattern of O. serrulatus.[… the reproduction system
may be a transitional type evolving from … Observation and study on breeding system of wild …