rheum emodi(n = noun.plant) himalayan rhubarb, indian rhubarb, red-veined pie plant, rheum australe - Asian herb (Himalayas);
is a kind of rhubarb, rhubarb plant
is a member of genus rheum, rheum

genus rheum, rheum, rheum australe, rheum cultorum, rheum palmatum, rheum rhabarbarum, rheum rhaponticum, salt rheum, syringa emodi