Tokyo (Jiji Press)–Chisako Kakehi, a 78-year-old death-row inmate known as a “black widow” who was convicted in serial murders using hydrocyanic acid in western Japan, died at the Osaka ...
For instance, chokecherry plants have poisonous parts. A USDA fact sheet states: The seeds are toxic due to production of hydrocyanic acid in the leaves, stems and seeds. The almond-like nuts are ...