Synonyms for Indian Rhubarb (same or very similar meaning)
WordNet sense 1 (rhizomatous perennial herb with large dramatic peltate leaves and white to bright pink flowers in round heads on leafless stems; colonizes stream banks in the Sierra Nevada in California):
umbrella plant, Darmera peltata, Peltiphyllum peltatumWordNet sense 2 (Asian herb (Himalayas)):
Himalayan rhubarb, red-veined pie plant, Rheum australe, Rheum emodiFrom the ODE community, based on WordNetadd/edit