reum,rabarbara ~ Rheum palmatum L. - Polygonaceae
http://www.vojvodjanka.com/forum/showthread.php?p=43455

Da Huang
Chinese Rhubarb (root & rhizome)
Rheum palmatum
http://www.atihealthnet.com/pages/chineseherbsae.html

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Note added at 55 mins (2008-05-16 23:11:29 GMT)
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Rheum palmatum L. - Reum, lepezasta rabarbara
http://www.zsr.hr/publikacije/Sortna_lista_2007.pdf

Rhei radix
Rabarbarin korijen

Rheum palmatum L. var. plamatum, R. officinale Baill., R. tanguticum L., Polygonaceae

Oguljeni osušeni korijen vrste r. palamtum. Nakon sabiranja korijen se guli (mundira). U njemu se razaznaju karakteristične zvjezdolike žile. Antracenski derivati locirani su u kambiju i u srčikinim zrakama zvjezdolikih žila. Žile su nepravilno smještene u korijenu i daju mramorirani izgled.
http://www.pharma.hr/download.aspx?file=/Upload/sec_003/ins_...

Rheum palmatum is commonly known as Chinese rhubarb
…
The roots and rhizomes of R. palmatum and the roots of R. rhabarbarum are used in medicinal treatments.
http://www.ansci.cornell.edu/plants/medicinal/rhub.html

Rhubarb 1 oz.
We prepare our Rhubarb Extract from the rhizome & root of Rheum palmatum plants which are cultivated, harvested & processed according to traditional Chinese methods.
http://www.become.com/rhubarb-root--rhubarb-1-oz--205097285-...