rhapontic

/rəˈpɒntɪk/

Etymology

From Latin rhaponticum, literally rha (“rhubarb”) ponticum (“Pontic; of the Black Sea”), from Ancient Greek ῥῆον (rhêon, “rhubarb”) and Ancient Greek Πόντος (Póntos, “Black Sea”).

noun

The false rhubarb (Rheum rhaponticum)