Vascular Plants of North Carolina
Account for Japanese Spiraea - Spiraea japonica   L. fils
Members of Rosaceae:
Members of Spiraea with account distribution info or public map:
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Section 6 » Order Rosales » Family Rosaceae
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AuthorL. fils
DistributionMountains and upper Piedmont.

Native of China, Korea, Japan; in N.A. -- N.S. to Ont. and WI, south to GA and MO; UT, CA.
AbundanceNow fairly common to locally common in the Mountains, and spreading fairly rapidly there. Scarce in the upper Piedmont.
HabitatRoadbanks, open or disturbed woods, and old homesites. This can be a highly invasive species, growing well in shade and impacting native herbs and shrubs in the Mountains.
PhenologyFlowering May-August.
IdentificationJapanese Spiraea is a small shrub, up to about 4 feet tall. Leaves are elliptical and taper to both ends, sharply toothed. Flowers grow terminally in a rather flat-topped to somewhat rounded clusters, pale to dark pink -- easily spotted at a long distance, as there are very few shrubs or tall herbs with bright rose-pink flower clusters in the mountains.
Taxonomic Comments
Other Common Name(s)
State RankSE
Global RankG5
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US Status
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