Rhubarb From Wikipedia, the free encyclopedia Rhubarb ( Rheum rhabarbarum ) is a species of plant in the family Polygonaceae . It is a herbaceous perennial growing from short, thick rhizomes . It produces large poisonous leaves that are somewhat triangular, with long fleshy edible stalks and small flowers grouped in large compound leafy greenish-white to rose-red inflorescences . In culinary use, fresh raw leaf stalks ( petioles ) are crisp (similar to celery , although they do not share the same family) with a strong, tart taste. Although rhubarb is not a true fruit , in the kitchen it is usually prepared as if it were. [1] Most commonly, the stalks are cooked with sugar and used in pies, crumbles and other desserts. A number of varieties have been domesticated for human consumption, most of which are recognised as Rheum x hybridum by the Royal Horticu...
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