gill over the ground

/ˈɡɪl ˌoʊvər ðə ɡraʊnd/
noun
  1. A low-growing creeping plant with small purple flowers and round leaves, often found in shady areas.
    • Gill-over-the-ground is sometimes used as a ground cover in woodland gardens.
    • I identified the plant as gill-over-the-ground by its scalloped leaves and tiny blossoms.
    • The garden was overrun with gill-over-the-ground, spreading across the damp soil.
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