Native and imported, sacred and ordinary, culinary and floral, favourites of various kings and commoners over the centuries, trees are the most visible signs of nature in cities, fundamentally shaping their identities. Trees are storehouses of the complex origins and histories of city growth, coming as they do from different parts of the world, brought in by various local and colonial rulers. From the tree planted by Sarojini Naidu at Dehradun's...