{{Short description|Genus of flowering plants}} {{Automatic taxobox |image = Merremia aegyptia (M pantaphylla) in Hyderabad, AP W IMG 2527.jpg |image_caption = ''Merremia aegyptia'' growing in Hyderabad, India |taxon = Merremia |authority = Dennst. ''ex'' Endl.<ref name=trop>The genus ''Merremia'' was originally described and published in ''Genera Plantarum'' 18: 1403. 1841. {{ cite web |url=http://www.tropicos.org/Name/40017494 |title=Name - !''Merremia'' Dennst. ''ex'' Endl. |quote=Type Specimens: T: ''Merremia hederacea'' (Burm.f.) Hallier f. |work=Tropicos |publisher=Missouri Botanical Garden (MOBOT) |location=Saint Louis, Missouri |accessdate=January 7, 2013}}</ref><ref name="GRIN">{{ cite web |url=http://www.ars-grin.gov/cgi-bin/npgs/html/genus.pl?7478 |title=''Merremia'' information from NPGS/GRIN |author=GRIN |author-link=Germplasm Resources Information Network |quote=Comment: conserved (''nom. cons.'') against the heterotypic synonyms (''Vienna ICBN'' Art. 14.4 & App. III) ''Operculina'' Silva Manso, ''nom. rej.'' & the heterotypic synonym ''Camonea'' Raf., ''nom. rej.'' |work=Taxonomy for Plants |publisher=USDA, ARS, National Genetic Resources Program |location=National Germplasm Resources Laboratory, Beltsville, Maryland |date=October 5, 2007 |accessdate=January 7, 2013}}</ref> |subdivision = See text |synonyms = * ''Astromerremia'' <small>Pilg.</small> * ''Skinneria'' <small>Choisy</small> * ''Spiranthera'' <small>Bojer</small> |synonyms_ref = <ref name="GRIN"/> }} [[File:Merremia aegyptia MHNT.BOT.2009.16.8.jpg|thumb|''Merremia aegyptia'' - MHNT]] [[File:Merremia vitifolia 2 by kadavoor.JPG|thumb|''Merremia vitifolia'', Kerala]] [[File:Merremia aurea MHNT.BOT.2015.34.119.jpg|thumb|''Merremia aurea'' - MHNT]]
'''''Merremia''''' is a genus of flowering plants in the morning glory family, Convolvulaceae. Members of the genus are commonly known as '''woodroses'''.<ref name="ITIS">{{ITIS |id=30866 |taxon=''Merremia'' |accessdate=2011-04-12}}</ref>
==Species== The following species are recognised in the genus ''Merremia'':<ref>{{Cite web|url=http://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:11936-1|title=Merremia Dennst. ex Endl. {{!}} Plants of the World Online {{!}} Kew Science|website=Plants of the World Online|access-date=2020-04-16}}</ref>
*''M. aniseiifolia'' <small>Ooststr.</small> – hairy woodrose *''M. caloxantha'' <small>(Diels) Staples & R.C.Fang</small> *''M. calycina'' <small>(Meisn.) Hallier f.</small> *''M. calyculata'' <small>Ooststr.</small> *''M. candei'' <small>(A.Terracc.) Sebsebe</small> *''M. clemensiana'' <small>Ooststr.</small> – roadside woodrose *''M. cordata'' <small>C.Y.Wu & R.C.Fang</small> *''M. crassinervia'' <small>Ooststr.</small> *''M. dichotoma'' <small>Ooststr.</small> *''M. discoidesperma'' <small>(Donn.Sm.) O'Donell</small> *''M. ellenbeckii'' <small>Pilg.</small> *''M. emarginata'' <small>(Burm.f.) Hallier f.</small> *''M. gallabatensis'' <small>Hallier f.</small> *''M. gemella'' <small>(Burm.f.) Hallier f.</small> *''M. gorinii'' <small>Chiov.</small> *''M. gracilis'' <small>E.J.F.Campb. & Argent</small> *''M. grandidentata'' <small>(C.H.Thomps.) Staples & Simões</small> *''M. gregorii'' <small>Rendle</small> *''M. hainanensis'' <small>H.S.Kiu</small> *''M. hederacea'' <small>(Burm.f.) Hallier f.</small> (type) – ivy woodrose *''M. hemmingiana'' <small>Verdc.</small> *''M. hirta'' <small>(L.) Merr.</small> *''M. hornbyi'' <small>Verdc.</small> *''M. incisa'' <small>(R.Br.) Hallier f.</small> *''M. malvifolia'' <small>Rendle</small> *''M. martini'' <small>(H.Lév.) Staples & Simões</small> *''M. obtusa'' <small>(Verdc.) Thulin</small> *''M. palmata'' <small>Hallier f.</small> *''M. pavonii'' <small>(Hallier f.) D.F.Austin & Staples</small> *''M. platyphylla'' <small>(Fernald) O'Donell</small> *''M. poranoides'' <small>(C.B.Clarke) Hallier f.</small> *''M. porrecta'' <small>Pilg.</small> *''M. pterygocaulos'' <small>(Choisy) Hallier f.</small> *''M. rajasthanensis'' <small>Bhandari</small> *''M. retusa'' <small>(Baker) Manitz</small> – rock rosemary *''M. setisepala'' <small>Verdc.</small> *''M. sibirica'' <small>(L.) Hallier f.</small> *''M. spongiosa'' <small>Rendle</small> *''M. steenisii'' <small>Ooststr.</small> *''M. subsessilis'' <small>(Courchet & Gagnep.) T.N.Nguyen</small> *''M. thorelii'' <small>(Gagnep.) Staples</small> *''M. truncata'' <small>Verdc.</small> *''M. verdcourtiana'' <small>Lejoly & Lisowski</small> *''M. verecunda'' <small>Rendle</small> *''M. verruculosa'' <small>S.Y.Liu</small> *''M. warderensis'' <small>Sebsebe.</small> *''M. wurdackii'' <small>D.F.Austin & Staples</small> *''M. xanthophylla'' <small>Hallier f.</small> *''M. yunnanensis'' <small>(Courchet & Gagnep.) R.C.Fang</small>
===Formerly placed here=== *''Operculina turpethum'' <small>(L.) Silva Manso</small> (as ''M. turpethum'' <small>(L.) Rendle</small>) *''Xenostegia medium'' <small>(L.) D.F.Austin & Staples</small> (as ''M. medium'' <small>(L.) Hallier f.</small>) *''Xenostegia tridentata'' <small>(L.) D.F.Austin & Staples</small> (as ''M. tridentata'' <small>(L.) Hallier f.</small>)<ref name="GRINSpecies">{{ cite web |url=http://www.ars-grin.gov/cgi-bin/npgs/html/splist.pl?7478 |title=Species in GRIN for genus ''Merremia'' |author=GRIN |work=Taxonomy for Plants |publisher=USDA, ARS, National Genetic Resources Program |accessdate=January 7, 2013}}</ref>
=== Uses === In the Indigenous system of Medicine, ''Ipomoea reniformis'' chois is also known as ''Merremia emarginata'' (Burm.f.) Hallier f. has been claimed to be useful for cough, headache, neuralgia, rheumatism, diuretic, inflammation, fever due to enlargement of liver and also in kidney diseases. The tribal people use this plant for deobstruent, diuretic, rheumatism, neuralgia, cancerous wounds, migraine, purgative, snake bites, ulcer, abscesses and glandular swelling.{{cn|date=July 2021}}
==References== {{Reflist}}
==External links== {{AfricanPlants|Merremia}}
{{Commons category|Merremia|''Merremia''}} {{Wikispecies|Merremia|''Merremia''}}
{{Taxonbar|from=Q141173}}
Category:Merremia Category:Convolvulaceae genera