5 January 1800. At the beginning of a new century, Alma Whittaker is born into a perfect Philadelphia winter. Her father, Henry Whittaker, is a bold and charismatic botanical explorer whose vast fortune belies his lowly beginnings as a vagrant in Sir Joseph Banks's Kew Gardens and as a deck hand on Captain Cook's HMS Resolution. Alma's mother, a strict woman from an esteemed Dutch family, has a knowledge of botany equal to any man's. It is not long before Alma, an independent girl with a thirst ...