An inconspicuous eastern shrub, spicebush (Lindera benzoin) is native to eastern North America, ranging from Ontario to northern Florida and west to Kansas and Texas. It easiest to identify these 5- to 15-foot-tall shrubs in the fall, when they are covered in red berries. But their unusual flower buds and the spicy citrus odor of a broken twig should be enough to lead you to it without the telltale fruit. Spice bush has alternate branching (like most plants), but mature specimens have small round buds scattered across the twigs and smaller branches, often in pairs. These will be the shrub's yellow flowers, some of the first of spring. Once you see these pairs of round buds, break a twig and take a sniff. If the buds look right, it has alternate branching, it's in the geographical range mentioned, and it smells like citrus and spice, you have spicebush.