Robuta

https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0099691 Investment in Seed Physical Defence Is Associated with Species' Light Requirement for Regeneration... The seed stage is often critical in determining the regeneration success of plants. Seeds must survive an array of seed predators and pathogens and germinate... is associated withlight requirementinvestmentseedphysical