common ninebark Rosaceae Physocarpus opulifolius (L.) Maxim., orth. cons. Listen to the Latin symbol: PHOP Other Fact Sheets
Leaf: Alternate, simple, deciduous, maple-like, palmately lobed (3 to 5 pointed lobes); almost circular in outline, 1 1/2 to 3 1/2 inches in diameter, blunt serrated margin; dark green above and paler below.
Flower: Perfect, small (1/2 inch) white to faint pink flowers borne in dense, upright, hemispherical clusters, appearing in late spring to early summer.
Fruit: Small (1/4 inch long) pointed follicles borne in dense, upright hemispherical clusters, initially they are red and later turning a bright reddish brown.
Twig: Slender and red-brown; young twigs have tight bark but on older twigs the bark splits and exfoliates in long strips; buds with many obvious loose scales, leaf scars raised with lines running downward angling the twigs.
Bark: Thin and yellow-, orange-, or red-brown; shredded and exfoliating in long strips, especially on older stems, fairly attractive.
Form: A large erect shrub to 10 feet tall.

Looks like: ninebark - mallow ninebark - mountain ninebark - red maple
leaf fruit twig bark form1 map
Additional Range Information:
Physocarpus opulifolius is native to North America.
Range may be expanded by planting.
See states reporting common ninebark.
External Links:
USDA Plants Database
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Photos and text by: John Seiler,
Edward Jensen, Alex Niemiera,
and John Peterson
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