⚠ Version 1.1 of The Plant List has been superseded and should no longer be used.

The new version is available at http://www.worldfloraonline.org. The new version is enhanced, using more data sources including Taxonomic Expert Networks and will be more frequently updated.

The genus Rheum is in the family Polygonaceae in the major group Angiosperms (Flowering plants).

Statistics are at the end of the page.

Species in Rheum

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See "Status", "Confidence level", "Source" for definitions.

Name	Status	Confi­dence level	Source	Date supplied	Infra. rec.
Rheum acuminatum Hook. f. & Thomson	Accepted		TRO	2012-04-18
Rheum alexandrae Batalin	Accepted		TRO	2012-04-18
Rheum altaicum Losinsk.	Accepted		TRO	2012-04-18
Rheum australe D. Don	Accepted		TRO	2012-04-18
Rheum austriacum Horkel ex G.Don	Unresolved		WCSP (in review)	2012-03-23
Rheum baillonii F.Heim	Unresolved		WCSP (in review)	2012-03-23
Rheum cantoniense Lour. ex Gomes Mach.	Unresolved		WCSP (in review)	2012-03-23
Rheum collinianum Baill.	Unresolved		WCSP (in review)	2012-03-23
Rheum compactum L.	Accepted		TRO	2012-04-18
Rheum cordatum Losinsk.	Unresolved		WCSP (in review)	2012-03-23
Rheum cordatum Steud.	Unresolved		WCSP (in review)	2012-03-23
Rheum coreanum Nakai	Unresolved		WCSP (in review)	2012-03-23
Rheum crassinervium Fisch. ex Lindl.	Unresolved		WCSP (in review)	2012-03-23
Rheum × cultorum Thorsrud & Reisaeter	Unresolved		WCSP (in review)	2012-03-23
Rheum cuneatum Regel & Herder	Unresolved		WCSP (in review)	2012-03-23
Rheum darwasicum Titov ex Losinsk.	Unresolved		TRO	2012-04-18
Rheum delavayi Franch.	Accepted		TRO	2012-04-18
Rheum dentatum Mart.	Unresolved		WCSP (in review)	2012-03-23
Rheum emodi Wall.	Unresolved		WCSP (in review)	2012-03-23
Rheum fedtschenkoi Maxim. ex Regel	Unresolved		WCSP (in review)	2012-03-23
Rheum fenestratum Loudon	Unresolved		WCSP (in review)	2012-03-23
Rheum forrestii Diels	Accepted		TRO	2012-04-18
Rheum glabricaule Sam.	Accepted		TRO	2012-04-18
Rheum globulosum Gage	Accepted		TRO	2012-04-18
Rheum hissaricum Losinsk.	Unresolved		TRO	2012-04-18
Rheum hotaoense C.Y. Cheng & T.C. Kao	Accepted		TRO	2012-04-18
Rheum × hybridum Murray	Accepted		WCSP (in review)	2012-03-23
Rheum inopinatum Prain	Accepted		TRO	2012-04-18
Rheum kialense Franch.	Accepted		TRO	2012-04-18
Rheum laciniatum Prain	Accepted		TRO	2012-04-18
Rheum lhasaense A.J. Li & P.G. Xiao	Accepted		TRO	2012-04-18
Rheum likiangense Sam.	Accepted		TRO	2012-04-18
Rheum lucidum Losinsk.	Accepted		TRO	2012-04-18
Rheum macrocarpum Losinsk.	Accepted		TRO	2012-04-18
Rheum macropterum Mart.	Unresolved		WCSP (in review)	2012-03-23
Rheum maculatum C.Y. Cheng & T.C. Kao	Accepted		TRO	2012-04-18
Rheum maximowiczii Losinsk.	Unresolved		WCSP (in review)	2012-03-23
Rheum megalocarpon Maxim. ex B.Fedtsch.	Unresolved		WCSP (in review)	2012-03-23
Rheum microcarpum Meisn.	Unresolved		WCSP (in review)	2012-03-23
Rheum moorcroftianum Royle	Accepted		TRO	2012-04-18
Rheum muricatum Blanco	Unresolved		WCSP (in review)	2012-03-23
Rheum nanum Siev. ex Pall.	Accepted		TRO	2012-04-18
Rheum nepalense Kitam.	Unresolved		WCSP (in review)	2012-03-23
Rheum nobile Hook. f. & Thomson	Accepted		TRO	2012-04-18
Rheum officinale Baill.	Accepted		WCSP (in review)	2012-03-23
Rheum orientixizangense Y.K.Yang, J.K.Wu & Gasang.	Unresolved		WCSP (in review)	2012-03-23
Rheum palaestinum Feinbrun	Unresolved		WCSP (in review)	2012-03-23
Rheum palmatum L.	Accepted		WCSP (in review)	2012-03-23
Rheum persicum Losinsk.	Unresolved		WCSP (in review)	2012-03-23
Rheum pichonii Pierre ex F.B.Forbes & Hemsl.	Unresolved		WCSP (in review)	2012-03-23
Rheum pichonii Pierre ex A.Chev.	Unresolved		WCSP (in review)	2012-03-23
Rheum platylobum Rech.f.	Unresolved		WCSP (in review)	2012-03-23
Rheum przewalskyi Losinsk.	Accepted		TRO	2012-04-18
Rheum pumilum Maxim.	Accepted		TRO	2012-04-18
Rheum racemiferum Maxim.	Accepted		TRO	2012-04-18
Rheum reticulatum Losinsk.	Accepted		TRO	2012-04-18
Rheum rhabarbarum L.	Accepted		WCSP (in review)	2012-03-23
Rheum rhaponticum L.	Accepted		WCSP (in review)	2012-03-23
Rheum rhizostachyum Schrenk	Accepted		TRO	2012-04-18
Rheum rhomboideum Losinsk.	Accepted		TRO	2012-04-18
Rheum ribes L.	Accepted		TRO	2012-04-18
Rheum rotundifolium Fisch. ex Sweet	Unresolved		WCSP (in review)	2012-03-23
Rheum rugosum Desf.	Unresolved		WCSP (in review)	2012-03-23
Rheum sanguineum Meisn.	Unresolved		WCSP (in review)	2012-03-23
Rheum spiciforme Royle	Accepted		TRO	2012-04-18
Rheum subacaule Sam.	Accepted		TRO	2012-04-18
Rheum sublanceolatum C.Y. Cheng & T.C. Kao	Accepted		TRO	2012-04-18
Rheum × svetlanae Krassovsk.	Unresolved		WCSP (in review)	2012-03-23
Rheum tanguticum Maxim. ex Balf.	Accepted		WCSP (in review)	2012-03-23
Rheum tataricum L.f.	Accepted		WCSP (in review)	2012-03-23
Rheum tetragonopus Mart.	Unresolved		WCSP (in review)	2012-03-23
Rheum tibeticum Maxim. ex Hook. f.	Accepted		TRO	2012-04-18
Rheum turkestanicum Janisch.	Accepted		TRO	2012-04-18
Rheum uninerve Maxim.	Accepted		TRO	2012-04-18
Rheum webbianum Royle	Accepted		TRO	2012-04-18
Rheum wittrockii C.E. Lundstr.	Accepted		TRO	2012-04-18
Rheum yunnanense Sam.	Accepted		TRO	2012-04-18

Statistics

The Plant List includes 114 scientific plant names of species rank for the genus Rheum. Of these 44 are accepted species names.

The Plant List includes a further 6 scientific plant names of infraspecific rank for the genus Rheum. We do not intend The Plant List to be complete for names of infraspecific rank. These are primarily included because names of species rank are synonyms of accepted infraspecific names.

Species names

The status of the 114 species names for the genus Rheum recorded in The Plant List, are as follows:

	Status	Total
◕	Accepted	44	38.6%
◕	Synonym	32	28.1%
◕	Unplaced	0	0%
◕	Unassessed	38	33.3%

All names

The status of the 120 names (including infraspecific names) for the genus Rheum recorded in The Plant List, are as follows:

	Status	Total
◕	Accepted	44	36.7%
◕	Synonym	38	31.7%
◕	Unplaced	0	0%
◕	Unassessed	38	31.7%

Of the species names,

• 1 are recorded as invalid

The confidence with which the status of the 114 species names recorded in The Plant List for the genus Rheum, are assigned as follows:

	Confidence level	Accepted	Synonym	Unplaced	Unassessed	Total
	High confidence	0	0	0	0	0	0%
	Medium confidence	44	32	0	0	76	66.7%
	Low confidence	0	0	0	38	38	33.3%

The source of the species name records found in The Plant List for the genus Rheum is as follows: