different between spiraea vs meadowsweet

English

spiraea (plural spiraeas)

Corruption of mead sweet, from use in making mead.

meadowsweet (plural meadowsweets)

A Eurasian perennial flowering plant of Rosaceae family, Filipendula ulmaria.
Any plant of the genus Spiraea of the Rosaceae family, native to the temperate Northern Hemisphere and consisting of about 80-100 species of shrubs.

(Filipendula ulmaria): queen of the meadow, pride of the meadow, meadowwort, meadwort, meadow queen, lady of the meadow, dollof, meadsweet, bridewort

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