| pie plant | (n) long cultivated hybrid of Rheum palmatum; stems often cooked in pies or as sauce or preserves, Syn. Rheum cultorum, Rheum rhabarbarum, Rheum rhaponticum, garden rhubarb |
| himalayan rhubarb | (n) Asian herb (Himalayas), Syn. red-veined pie plant, Indian rhubarb, Rheum australe, Rheum emodi |