Definition of mountain avens in US English:

mountain avens

noun

  • A creeping arctic-alpine plant with white flowers and glossy leaves.

    Dryas octopetala, family Rosaceae

    See also dryas
    • ‘The white mountain avens needs a moist peaty or sandy soil, and must be protected from slugs and snails.’
    • ‘There were fields of the wildflower mountain avens gone to seed in Kennicott.’
    • ‘This is Arctic Canada at its best: a northern landscape blooming with purple mountain saxifrage, moss campion, and mountain avens.’
    • ‘Not found at all in Britain, this little orchid's heartland is the Mediterranean, and so it's strange that its tender southern shoots appear here, within inches of tough tundra plants such as mountain avens.’
    • ‘As the name implies, the mountain avens can mostly be seen in mountains.’