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Agricultural Research Service, Beltsville Area

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Taxon: Ipomoea cordatotriloba Dennst.

Genus: Ipomoea subgenus: Eriospermum section: Eriospermum series: Batatas
Family: Convolvulaceae tribe: Ipomoeeae
Nomen number: 315366
Place of publication: Nomencl. bot. 1:246. 1810
Name verified on: 13-Mar-2001 by ARS Systematic Botanists. Last updated: 13-Mar-2001
Species priority site is: Plant Genetic Resources Conservation Unit, Griffin, GA (S9).
Accessions: 5 in National Plant Germplasm System.
  • all available ) NPGS accessions. or .
  • all available ) NPGS accessions by country.
  • Check PlantSearch database of Botanic Gardens Conservation International for possible non-NPGS germplasm.

See also subordinate taxa:

Economic importance:

  • Gene sources: tertiary genetic relative of sweet-potato   (based on its affinity to hexaploid Ipomoea batatas fide Mol Phylogen Evol 30:628. 2004)

Distributional range:

      Native: (links to other web resources are provided for some distributions)
  • NORTHERN AMERICA (Check conservation status in U.S. & Canada in NatureServe Explorer database)
    Southeastern U.S.A.: United States - Alabama [s.], Florida, Georgia, Louisiana, Mississippi [s.], North Carolina [s.], South Carolina
    Northern Mexico: Mexico - Tamaulipas
    Western South America: Bolivia [Gran Chaco]
    Southern South America: Argentina - Buenos Aires, Catamarca, Chaco, Corrientes, Formosa, Jujuy, Salta, Santiago del Estero, Tucuman; Paraguay [w.]

      Naturalized: (links to other web resources are provided for some distributions)


  • Austin, D. F. & Z. Huáman. 1996. A synopsis of Ipomoea (Convolvulaceae) in the Americas. Taxon 45:6.
  • Austin, D. F. 1988. Nomenclatural changes in the Ipomoea batatas complex (Convolvulaceae). Taxon 37:185.
  • Diaz, J. et al. 1996. Polygon of crossability between eleven species of Ipomoea: section Batatas (Convolvulaceae). Euphytica 88:189–200.
  • Duncan, T. M. & M. D. Rausher. 2013. Morphological and genetic differentiation and reproductive isolation among closely related taxa in the Ipomoea series Batatas. Amer. J. Bot. 100:2183–2193.
  • Instituto de Botánica Darwinion. 2008. Flora del Conosur. Catálogo de las plantas vasculares. [= Ipomoea cordatotriloba var. australis].
  • Manitz, H. 1983. Zur Nomenklatur einiger Convolvulaceae und Cuscutaceae. I. Feddes Repert. 94:173. ["cordato-triloba"].
  • Nimmakayala, P. et al. 2011. Ipomoea. In: Kole, C., ed., Wild crop relatives: genomic and breeding resources, industrial crops 7:123–132.
  • Porcher, M. H. et al. Searchable World Wide Web Multilingual Multiscript Plant Name Database (MMPND) (on-line resource).
  • Rajapakse, S. et al. 2004. Phylogenetic relationships of the sweetpotato in Ipomoea series Batatas (Convolvulaceae) based on nuclear b-amylase gene sequences. Molec. Phylogenet. Evol. 30:623–632. [this study included one USDA accession (PI 518495) of Ipomoea cordatotriloba].


Check other web resources for Ipomoea cordatotriloba Dennst.:


  • Check for additional images
  • Google Images Images Note: Be advised that their identity may be inaccurate. Proper identification of a plant may require specialized taxonomic knowledge or comparison with properly documented herbarium material.

Abbreviations & symbols in GRIN Taxonomy

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Cite as:
USDA, ARS, National Genetic Resources Program.
Germplasm Resources Information Network - (GRIN) [Online Database].
National Germplasm Resources Laboratory, Beltsville, Maryland.
URL: (04 October 2015)

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