genus Rheum


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Noun1.genus Rheum - rhubarb
dicot genus, magnoliopsid genus - genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination
buckwheat family, family Polygonaceae, Polygonaceae - a family of plants of order Polygonales chiefly of the north temperate zone; includes the buckwheats
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
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Though sometimes classified as a fruit due to its close partnership with other fruits, rhubarb is actually a vegetable with several species in the genus Rheum of the buckwheat family.
Defined by the Oxford English dictionary as "a plant of the genus Rheum, of the knotgrass family, having very large leaves", the Queen Victoria is a delicate variety of this common or garden plant, undergoing something of a renaissance in medical research in the fight against cancer.
Several species of the genus Rheum (Polygonaceae) such as Rheum palmatum, R.