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Horticulture Center shows off sinister side of plants - News - Illinois State
Standing tall at Illinois State’s Horticulture Center is the castor bean plant, a fast-growing suckering shrub with dark-reddish purple leaves. It’s a beautiful plant. And it can also kill you. The seeds from the castor bean plant are poisonous to people, animals and insects. That’s because the toxic protein in the castor bean is ricin. …