ground ivy, trailing perennial herb of the genus Glechoma of the family Labiatae (mint family), closely related to catnip and naturalized from Europe. It forms a dense ground cover and spreads rapidly, thriving in cool, damp places. Its leaves were once used to brew a cough remedy; in quantity it is reputed to be poisonous to horses. Gill-over-the-ground is another of its many names. Ground ivy is classified in the division Magnoliophyta, class Magnoliopsida, order Lamiales, family Labiatae.
The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2024, Columbia University Press. All rights reserved.
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