Illustration of a non flowering plant on a white background Stock Vector Image & Art Alamy One week after the viral boom of the Giant Stinging Leaf many people have asked, did you really do the suicide plant, aka Gympie Gympie and the answer is you bet I Our Guide to the USDA Gardening Zones Rheum nobile is also known as the Sikkim rhubarb or noble rhubarb, is a giant herbaceous plant of the Buckwheat Family (Polygonaceae) and native to the Himalayas, from northeastern Afghanistan, east through