horse balm

horse balm

n. Any of several strongly aromatic, eastern North American plants of the genus Collinsonia of the mint family, having opposite leaves, square stems, and axillary clusters of lemon-scented yellow flowers.

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[From its former use for treating ailments of horses .]

Thesaurus

Noun

1.

horse balm - erect perennial strong-scented with serrate pointed leaves and a loose panicle of yellowish flowers; the eastern United StatesCollinsonia canadensis, horseweed, richweed, stone root, stoneroot, stone-rootherb, herbaceous plant - a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pestsCollinsonia, genus Collinsonia - small genus of perennial erect or spreading aromatic herbs; United States