Witch hazel (Hamamelis virginiana) is a small deciduous tree or large shrub native to the forests of eastern North America. It is easily recognized for its unusual flowering season, producing delicate yellow ribbon-like flowers in late autumn after most leaves have fallen. The plant typically grows along woodland edges, shaded slopes, and rich forest understories. Its broad leaves resemble those of hazelnut trees, while its spreading branching habit gives it an open, graceful form. Witch hazel bark and leaves contain high concentrations of tannins that give the plant its powerful astringent properties. These qualities have made it one of the most widely used medicinal plants in North America, particularly in topical preparations used to soothe skin irritation, reduce swelling, and tighten tissues.