Merremia


Merremia is a genus of flowering plants in the morning glory family, Convolvulaceae. Members of the genus are commonly known as woodroses.

Species

The following species are recognised in the genus Merremia:
  • M. aniseiifolia Ooststr. – hairy woodrose
  • M. caloxantha Staples & R.C.Fang
  • M. calycina Hallier f.
  • M. calyculata Ooststr.
  • M. candei Sebsebe
  • M. clemensiana Ooststr. – roadside woodrose
  • M. cordata C.Y.Wu & R.C.Fang
  • M. crassinervia Ooststr.
  • M. dichotoma Ooststr.
  • M. discoidesperma O'Donell
  • M. ellenbeckii Pilg.
  • M. emarginata Hallier f.
  • M. gallabatensis Hallier f.
  • M. gemella Hallier f.
  • M. gorinii Chiov.
  • M. gracilis E.J.F.Campb. & Argent
  • M. grandidentata Staples & Simões
  • M. gregorii Rendle
  • M. hainanensis H.S.Kiu
  • M. hederacea Hallier f. – ivy woodrose
  • M. hemmingiana Verdc.
  • M. hirta Merr.
  • M. hornbyi Verdc.
  • M. incisa Hallier f.
  • M. malvifolia Rendle
  • M. martini Staples & Simões
  • M. obtusa Thulin
  • M. palmata Hallier f.
  • M. pavonii D.F.Austin & Staples
  • M. platyphylla O'Donell
  • M. poranoides Hallier f.
  • M. porrecta Pilg.
  • M. pterygocaulos Hallier f.
  • M. rajasthanensis Bhandari
  • M. retusa Manitz – rock rosemary
  • M. setisepala Verdc.
  • M. sibirica Hallier f.
  • M. spongiosa Rendle
  • M. steenisii Ooststr.
  • M. subsessilis T.N.Nguyen
  • M. thorelii Staples
  • M. truncata Verdc.
  • M. verdcourtiana Lejoly & Lisowski
  • M. verecunda Rendle
  • M. verruculosa S.Y.Liu
  • M. warderensis Sebsebe.
  • M. wurdackii D.F.Austin & Staples
  • M. xanthophylla Hallier f.
  • M. yunnanensis R.C.Fang

    Formerly placed here

  • Operculina turpethum Silva Manso
  • Xenostegia medium D.F.Austin & Staples
  • Xenostegia tridentata D.F.Austin & Staples

    Uses

In the Indigenous system of Medicine, Ipomoea reniformis chois is also known as Merremia emarginata 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.