Poison nu (Strychnos nux-vomica) illustration. Digitally enhanced from our own book, Medical Botany (1836) by John… https://www.rawpixel.com/image/327146/free-illustration-image-poison-botanical-strychnineFree Image from public domain licensePoison nu (Strychnos nux-vomica) illustration from Medical Botany (1836) by John Stephenson and James Morss Churchill. https://www.rawpixel.com/image/327159/premium-illustration-psd-strychnine-john-stephenson-botanical-poisonView license