Berry Batesian mimicry enables bird dispersal of asexual bulbils in a yam

Proceedings of the National Academy of Sciences, Volume 123, Number 3, January 2026.
Many sex-dropping plants rely on clonal propagules, but their short dispersal distances can trap their offspring close to parent plants and enemies. We show that the yam Dioscorea melanophyma, which has lost sexual reproduction, has developed shiny black bulbils that…