| helleborus | (n) a genus of Helleborus, Syn. genus Helleborus |
| christmas rose | (n) European evergreen plant with white or purplish rose-like winter-blooming flowers, Syn. black hellebore, winter rose, Helleborus niger |
| green hellebore | (n) deciduous plant with large deep green pedate leaves and nodding saucer-shaped green flowers, Syn. Helleborus viridis |
| lenten rose | (n) slightly hairy perennial having deep green leathery leaves and flowers that are ultimately purplish-green, Syn. black hellebore, Helleborus orientalis |
| stinking hellebore | (n) digitate-leaved hellebore with an offensive odor and irritant qualities when taken internally, Syn. setterwort, Helleborus foetidus, bear's foot |