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7 of the World’s Deadliest Plants
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Bittersweet nightshade Water hemlock Deadly nightshade plant, Atropa belladonna, with dark purple berries, green leaves, and several bell-shaped purple flowers. White snakeroot Castor bean seeds Cluster of open seed pods revealing bright red and black seeds of the jequirity bean (Abrus precatorius) among green leaves. Oleander Rows of green Nicotiana tabacum tobacco plants growing in soil, showing broad, bright leaves and healthy foliage.
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7 of the World’s Deadliest Plants: Media

Think plants aren’t scary? Think again.
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Images

Bittersweet nightshade
Berries and leaves of the bittersweet nightshade (Solanum dulcamara) plant.
© JoannaTkaczuk/stock.adobe.com
Water hemlock
Common water hemlock, or cowbane (Cicuta maculata). The plant is common...
Aaron Carlson
Deadly nightshade
Belladonna, or deadly nightshade (Atropa belladonna). The leaves and berries...
© Cristina Dini/Dreamstime.com
White snakeroot
Dainty flower clusters of white snakeroot (Ageratina altissima).
Sten Porse
Castor bean seeds
The source of castor oil, castor bean seeds are used to make oil cakes. Unprocessed...
© Dimijana—iStock/Getty Images
Jequirity bean
The distinctive and highly poisonous seeds of the jequirity bean, or rosary pea (Abrus...
© Muthu M/Dreamstime.com
Oleander
Common oleander, or rosebay (Nerium oleander).
Joaquim Alves Gaspar
Tobacco
A field of tobacco (Nicotiana tabacum).
© LianeM/Shutterstock.com