Tree trivia
David E Vassberg (Land and Society in Golden Age Castile) writes:
There exists also an old proverb (of unknown vintage): En tierra de señorío, almendro o guindo; en tierra real, noguera o moral (In seigneurial lands, almond or cherry; in royal lands, walnut or mulberry), which the editor of the collection of proverbs [Bergua, Refranero español] [...]



