Robuta

https://pmc.ncbi.nlm.nih.gov/articles/PMC9676148/ Acorn flour from holm oak (Quercus rotundifolia): Assessment of nutritional, phenolic, and... Acorn is the fruit of holm oak (Quercus rotundifolia), being mainly used nowadays to feed animals, however a substantial part remains in the fields without any... acorn flourholm oakquercus rotundifolia