Helleborus niger, commonly called Christmas rose or black hellebore, is an evergreen perennial flowering plant in the buttercup family, Ranunculaceae. It is poisonous.
Although the flowers resemble wild roses (and despite its common name), Christmas rose does not belong to the rose family (Rosaceae).
The black hellebore was described by Carl Linnaeus in volume one of his Species Plantarum in 1753. The Latin specific name niger (black) may refer to the colour of the roots. There are two subspecies: ...
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