Photo: Rheum rhabarbarum 10.

Red leafbuds, leafing out. Perheniemi, Iitti, Finland. Planted. 2007-04-26.

Rheum rhabarbarum L.
Engl.: garden rhubarb, rhubarb, common garden rhubarb, English rhubarb, pieplant, sweet round-leaved dock.
Deu.: Gemeiner Rhabarber, Rhabarber, Krauser Rhabarber.
Suom.: raparperi, tarharaparperi.
Sven.: rabarber, matrabarber.
Jap.: daio.
TCM: bo ye da huang.
Pharm.: Austrian rhubarb, Bucharian rhubarb, French rhubarb, Siberian rhubarb.
Bot. syn.: Rheum rhabarbarum auct., Rheum rhaponticum auct., Rheum rhaponticum L. x palmatum L., Rheum undulatum L., Rheum x cultorum Thorsr. & Reis., Rheum x hybridum Murray