- a small citrus tree, Citrus aurantium bergamia, having fruit with a rind that yields a fragrant essential oil.
- the oil or essence itself.
- any of various plants of the mint family, as Monarda fistulosa, yielding an oil resembling essence of bergamot.
- a variety of pear.
- a small Asian spiny rutaceous tree, Citrus bergamia, having sour pear-shaped fruit
- a fragrant essential oil from the fruit rind of this plant, used in perfumery and some teas (including Earl Grey)
- a Mediterranean mint, Mentha citrata, that yields an oil similar to essence of bergamot
- a North American plant, Monarda fistulosa, with clusters of purple flowers: family Lamiaceae (labiates)
- a garden plant of the same genus, usually M. didyma (bee balm), grown for its scarlet or pink flowers
- a variety of pear
