Rheum khorasanicum B. Baradaran & A. Jafari is described and illustrated as a new species from NR Iran. It is morphologically very close to R. ribes, both of them belonging to sect. Rheum. Some features that differentiate R. khorasanicum from R. ribes are the presence of bracts, different surface of inflorescence, the pedicle joint position and the epidermal cell shape.
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1 August 2012
Rheum khorasanicum (Polygonaceae), a new Species from Iran
Azarnoosh Jafari,
Ghadir Taheri,
Bahram Baradaran,
Ahmad Reza Bahrami
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