Parthenogenesis maintains male sterility in a gynodioecious orchid.

@article{Huang2009ParthenogenesisMM,
  title={Parthenogenesis maintains male sterility in a gynodioecious orchid.},
  author={Shuang-Quan Huang and Yang Lu and Ying-Zhuo Chen and Yi-bo Luo and Lynda F. Delph},
  journal={The American naturalist},
  year={2009},
  volume={174 4},
  pages={578-84}
}
The invasion of male-sterile (female) individuals into hermaphroditic populations, leading to gynodioecy, is common in flowering plants. Both theoretical and empirical studies have shown that as the frequency of females increases in a population, pollen limitation reduces seed production more in females than in hermaphrodites, leading to higher fitness for… CONTINUE READING