Range: Quebec across to Manitoba, south to Colorado, east across northern Illinois to Georgia.
Distinguishing Features: The Sweet Viburnum, like other viburnums, has opposite, simple leaves which are finely and sharply toothed. It differs from other viburnums in Illinois by its long-pointed leaves and its winged leaf stalks.
BLACK HAW
Viburnum prunifolium L.
Other Name: Nannyberry.
Growth Form: Small tree to 25 feet tall; trunk diameter up to 6 inches; crown irregular.
Bark: Reddish-brown, broken into irregular plates.
Twigs: Slender, grayish, sometimes with orange dots, smooth; leaf scars opposite, crescent-shaped, with 3 bundle traces.
Buds: Brown, nearly smooth, up to ½ inch long.
Leaves: Opposite, simple; blades oval to ovate, short-pointed at the tip, rounded or tapering to the base, up to 3 inches long and 2 inches broad, finely and sharply toothed along the edges, dark green and smooth on the upper surface, paler and smooth on the lower surface; leafstalks up to ⅔ inch long, smooth, scarcely or not at all winged.