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Any of various shrubs of the genus Spiraea of the rose family, especially S. alba of North America, having tapered clusters of small white or light pink flowers.

Any of various perennial herbs of the genus Filipendula of the rose family.

Any plant of the genus Spiræa, primarily S. Ulmaria of the Old World; in the United States more especially S. salicifolia.

The name of several plants of the genus Spiræa, especially the white- or pink-flowered Spiræa salicifolia, a low European and American shrub, and the herbaceous Spiræa Ulmaria, which has fragrant white flowers in compound cymes.

A Eurasian perennial flowering plant of Rosaceae family, Filipendula ulmaria.

A common name for the genus Spiraea of the Rosaceae family, native to the temperate Northern Hemisphere and consisting of about 80-100 species of shrubs.