Rheum rhabarbarum


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Noun1.Rheum rhabarbarum - long cultivated hybrid of Rheum palmatumRheum rhabarbarum - long cultivated hybrid of Rheum palmatum; stems often cooked in pies or as sauce or preserves
rhubarb plant, rhubarb - plants having long green or reddish acidic leafstalks growing in basal clumps; stems (and only the stems) are edible when cooked; leaves are poisonous
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And you'll have been out over the weekend trying to source enough Rheum Rhabarbarum to complete a crumble so you'll know what I'm talking about.