Main Page | See live article | Alphabetical index Atropa is a genus of plants in the nightshade family. Its best-known member is the deadly nightshade, Atropa belladonna. Its pharmacologically active ingredient is Atropine. The genus is named for one of the Three Fates, the one which cut the life thread. This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.