Meadowwort, Meadowsweet n. (Bot.) The name of several plants of the genus Spiraea, especially the white- or pink-flowered Spiraea salicifolia, a low European and American shrub, and the herbaceous Spiraea Ulmaria, which has fragrant white flowers in compound cymes.
... Queen of the meadow (Meadowsweet) European herbaceous plant (Spiraea Ulmaria). North American shrubs (Spiraea alba or S. latifolia) having umbel-shaped clusters of white flowers. Perennial herbs of the genus Filipendula ... — Mother's Remedies - Over One Thousand Tried and Tested Remedies from Mothers - of the United States and Canada • T. J. Ritter
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