Spiraea alba var. latifolia
Leaf: Alternate, simple, finely serrated, elliptical, 2 inches long, green above, paler below.
Flower: Small, white, in narrow, upright terminal clusters (4 to 6 inches long), appearing in mid-summer.
Fruit: Narrow clusters of 5-parted dry capsules, persistent.
Twig: Slender, stiff, "wandlike", largely unbranched, reddish brown; leaf scar small and raised, 1 bundle scar.
Bark: Smooth, grayish to reddish brown eventually peeling off in fine strips.
Form: A multi-stemmed shrub to 6 feet tall.