Ninebark
Ninebark
Physocarpus opulifolius
Rose Family - Rosaceae
Larger leaves are 3-lobed, alternate, and have a wedge-shaped or heart-shaped base and toothed margins. Stems lack spines.
(Photographed - June)
An uncommon shrub with a thin, papery bark that sheds in layers from the base of its stems.
Flowers, with 5 white petals, 20 to 40 stamens with long filaments, occur in a rounded cluster.
  � Pathology Images Inc. 2000 to 2002