Hydrangea macrophylla
Hydrangea has the potential to produce cyanide, but it must be small because the symptoms of the few poisonings reported are not those of cyanide poisoning, but rather a mild gastroenteritis with nausea is the common manifestation.
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Brian and Jane Pinkerton
29343 Galahad Crescent
Mount Lehman
British Columbia
Canada V4X 2E4
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