Holly has an array of potential toxicants, but its potential to cause symptoms is quite variable and is highest in fruits when consumed at 0.28% of body weight if fresh and 0.71% if dried. In most instances of intoxication, the signs will be indicative of mild to moderate dysfunction and may include diarrhea, which lasts only a few hours. A lethal outcome is not likely. (From Toxic Plants of North America, Burrows & Tyrl)
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This work is supported in part by New Technologies for Agriculture Extension grant no. 2020-41595-30123 from the USDA National Institute of Food and Agriculture. Any opinions, findings, conclusions, or recommendations expressed in this publication are those of the author(s) and do not necessarily reflect the view of the U.S. Department of Agriculture.
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