Rhubarb pie is a pie with a rhubarb filling. "Rhubarb" originally comes from the two Greek words for rhubarb. Pies can be made with beef, lamb, chicken, pork, apple, berries, rhubarb or custard. The property also grew pears, asparagus, rhubarb, and plums. Its other plant hosts include peas, beetroot, vegetable marrow, pumpkin, rhubarb, and ornamental bulbs. Popular fruits used in crumbles include apple, blackberry, peach, rhubarb, gooseberry, and plum. Cameron also helped introduce commercial crops like cabbage, cauliflower, turnip, radish, rhubarb, celery, and kohlrabi. The alleged "inedible" food included turkey, veal, and rhubarb pie with custard. Other ingredients may include custard and rhubarb. The fruit has a citrus flavour, sometimes described as a combination of rhubarb and lime. It is also known as American cow-parsnip, Indian celery, Indian rhubarb or pushki. Instead, buckwheat is related to sorrel, knotweed, and rhubarb. The root and/or leaves of rhubarb and buckwheat are high in oxalic acid. Anthraquinone glycosides are found in medicinal plants such as rhubarb, cascara, and Alexandrian senna. Measures were taken to eliminate fraud and illegal additives such as rhubarb and apple juice.