What is "amaryllis belladonna"

Belladonna \Bel`la*don"na\, n. [It., literally fine lady; bella beautiful + donna lady.] (Bot.)

1. An herbaceous European plant ( Atropa belladonna) with reddish bell-shaped flowers and shining black berries. The whole plant and its fruit are very poisonous, and the root and leaves are used as powerful medicinal agents. Its properties are largely due to the alkaloid atropine which it contains. Called also deadly nightshade.

2. A species of Amaryllis ( Amaryllis belladonna); the belladonna lily.

''Amaryllis belladonna'', (Jersey lily, belladonna-lily, naked-lady-lily, March lily) is a plant species native to Cape Province in South Africa but widely cultivated as a very popular ornamental. It is reportedly naturalized in many places: Corsica, Portugal, the Azores, Madeira, the Canary Islands, Zaire, Ascension Island, Australia, New Zealand, Mexico, Cuba, Haiti, the Dominican Republic, Chile, California, Texas, Louisiana, and the Juan Fernández Islands.