Aconitum = Monnikskap = Nature squared and sustainable! A fireplace stone from a friend's house was the challenge. She has a company called Aconitum, which is the scientific name for monnikskap. And the stone was long and narrow. So the yellow monkshood became the starting point for my artwork. A plant in natural stone is nature squared – and a sustainable outdoor sculpture. It is also bio art – nature is allowed to take its course.