Hydrangea macrophylla, Bigleaf Hydrangea
Size: shrub, 4-8' average height at maturity
Leaves: deciduous, opposite, 4-8" long, simple, obovate to elliptic or broad obovate with triangular teeth, acuminate, broad cuneate, medium green with an almost waxy feel
Twigs: light brown, large white pith
Flowers: monoecious, very showy, varying forms and colors
Fruit: capsule, not ornamental