Glechoma hederacea (syn. Nepeta glechoma Benth., Nepeta hederacea (L.) Trevir.) is an aromatic, perennial, evergreencreeper of the mint family Lamiaceae. It is commonly known as ground- ivy, gill-over-the-ground, creeping charlie, alehoof, tunhoof, catsfoot, field balm, and run-away-robin. It is also sometimes known as creeping jenny, but that name more commonly refers to Lysimachia nummularia. It is used as a salad green in many countries. European settlers carried it around the world, and it has become a well-established introduced and naturalized plant in a wide variety of localities.
It is considered an aggressive invasive weed of woodlands and lawns in some parts of North America. In the absence of any biological control research conducted by the USDA herbicides are relied upon, despite their drawbacks, particularly for woodland ecosystems. The plant 's extensive root system makes it difficult to eradicate by hand -pulling.
Description
Glechoma hederacea can be identified by its round to reniform ( kidney or fan shaped), crenate (with round toothed edges) opposed leaves 2–3 cm (0.79–1.18 in) diameter, on 3–6 cm (1.2–2.4 in) long petioles attached to square stems which root at the nodes.
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