n. 1. Any of various plants of the genus Helleborus of the buttercup family, native to Eurasia, most species of which are poisonous. 2. See false hellebore. [Middle English ellebre, from Old French, from Latin elleborus, from Greek helleboros : perhaps hellos, fawn + -boros, eaten (from bibrōskein, to eat).] ![]() (click for a larger image) helleboreCalifornia false hellebore Veratrum californicum |
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