Citrus Archaeologist Paolo Galeotti Rediscovers Ancient Plants

Today, the garden of Florence’s Villa di Castello hosts the largest collection of potted citrus plants in the world—near 600 species and varieties, one of which was long thought extinct for more than a century and a half. Citrus Expert Paolo Galeotti saw a sprig of something he thought to be that variety—the three-fruit producing citrus bizzarria. He grafted it onto a plant and brought …