Hamamelis vernalis (Ozark witchhazel) is a species of witch-hazel native to the Ozark Plateau in central North America, in Missouri, Oklahoma, and Arkansas. It is a deciduous large shrub growing to 4 m tall, spreading by stoloniferous root sprouts. The leaves are oval, 7–13 cm (2+3⁄4–5 in) long and 6.7–13 cm (2+5⁄8–5+1⁄8 in) broad, cuneate to slightly oblique at the base, acute or rounded at the apex, with a wavy-toothed or shallowly lobed margin, and a short, stout petiole 7–15 mm (0.28–0.59 in) long; they are dark green above, and glaucous beneath, and often persist into the early winter. The flowers are deep to bright red, rarely yellow, with four ribbon-shaped petals 7–10 mm (0.28–0.39 in) long and four short stamens, and grow in clusters; flowering begins in mid winter and continues u