In Portugal the acorn is so important that they have a different name for each type of acorn. The acorn of the cork oak (sobreiro) is called a lande (or landre) and the acorn of a holm oak (azinheira) is called a bolota (or boleta).  The acorns mainly serve as food for the pigs, but the bolota also used to be a very important source of food since the ancient Lusitanian people populated Iberia. It was a welcome addition to the shortage of cereals in the w...

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