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Rheum palmatum
''Rheum palmatum'', commonly called Turkish rhubarb, Turkey rhubarb, Chinese rhubarb, Indian rhubarb, Russian rhubarb or rhubarb root (and within Chinese herbal medicine da-huang).
== Description ==
The species ''R. tanguticum'' and ''R. officinale'', also under the categorical term of the Chinese drug da-huang, are closely related to ''R palmatum''. Today, these three species are regarded as superior in performance to other species-existing rhubarbs.〔 Though ''R palmatum'' is commonly misinterpreted to be one in the same with the familiar ''R. rhubarbarum'' garden rhubarb we eat, there are several facets falsifying this assumption.〔 Size is the most evident of the facets used to differentiate these two closely related species.〔 While most garden species only grow to a mere few feet in height, Chinese rhubarb can produce as high as a “six to ten foot jointed stalk,” with loosely branched clusters of flowers along the tips that mature red in color from their often yellow or white blooms.〔
Its leaves are rather “large, jagged and hand – shaped,” growing in width of at least two to three feet.〔
It is important to recognize that only those species of ''Rheum'' with lobed leaves are accredited for their medicinal use.〔 Subsequently, garden rhubarb, ''R. rhubarbarum'', as well as any other variety of species with either “wavy” or “undulating leaves” are not founded for any medicinal purpose.〔 Additionally, one can decipher Chinese rhubarb by its rather thick, deep roots whereas the perennial garden plant is composed predominantly of “fleshy rhizomes and buds (http://www.rhubarbinfo.com/growing).
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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