N
any plant of the Eurasian ranunculaceous genus Helleborus, esp H. niger (black hellebore), typically having showy flowers and poisonous parts 任一长于欧亚的嚏根草属植物
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see also
Christmas rose
It praised the site for "an abundance of colour and lush growth packed with many varieties of herbaceous perennials and colourful shrubs ... interest from early spring to late autumn, hellebores, roses, asters and many more".