Any of 12 North American annual or perennial plants in the genus Monarda, variously known as bergamot, horsemint, and bee balm. They belong to the mint family and have showy flowers. Wild bergamot (M. fistulosa) has a minty aroma. The more sharply scented Oswego tea (M. didyma; a bergamot variety) is native to eastern North America but is widely cultivated elsewhere.

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Any of several fragrant herbs of the mint family, particularly Melissa officinalis (balm gentle, or lemon balm), cultivated in temperate climates for its fragrant leaves, which are used as a scent in perfumes and as a flavouring. The name is also applied to Melittis melissophyllum (bastard balm), Monarda didyma (bergamot, or bee balm), Collinsonia canadensis (horse balm), Glecoma hederacea and Satureja (Calamintha) nepeta (field balm), and Molucella laevis (Molucca balm, or bells of Ireland), as well as to aromatic substances from species of Commiphora (trees and shrubs of the incense-tree family).

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