Citrus in Italy

Citrus, thanks to what writer Helena Attlee calls their great “suggestibility,” confound the botanist and the shopper alike. What is the difference between a clementine and a mandarin? That was one of the few questions I didn’t ask Helena Attlee when we met recently to talk about citrus in Italy, the subject of her new book The Land Where Lemons Grow. And not just lemons. Attlee writes beautifully about all the citrus and all of Italy, from Lake Garda in the north to Palermo in the south. She co...