Solanum commersonii

{{Short description|Species of plant in the genus Solanum}}

{{Speciesbox

|image=Roze fig.2 à 5.png

|image_caption=Botanical illustration

|genus=Solanum

|species=commersonii

|authority=Poir.{{cite journal |title=The New Species of Solanum Published by Dunal in the Encyclopedie Methodique, Botanique, Suppl. 3 |last1=Nee |first1=Michael |journal=Taxon |year=1982 |volume=31 |issue=2 |pages=320–322 |jstor=1220001 |doi=10.2307/1220001 |quote=There has been considerable confusion as to whether Dunal or Poiret should be credited... }}

|synonyms_ref=

|synonyms={{Collapsible list|

• Solanum acroleucum {{small|Bitter}}
• Solanum commersonii var. depauperatum {{small|Bitter}}
• Solanum commersonii var. ellipticans {{small|Bitter}}
• Solanum commersonii var. glabratum {{small|Hook.f.}}
• Solanum commersonii var. indigoticascens {{small|Bitter}}
• Solanum commersonii f. mechonguense {{small|(Bukasov) Correll}}
• Solanum commersonii var. pubescens {{small|Sendtn.}}
• Solanum commersonii pubescens {{small|Chodat}}
• Solanum commersonii var. raphanistrum {{small|Bitter}}
• Solanum commersonii var. rosulans {{small|Bitter}}
• Solanum commersonii var. violaceum {{small|Herter}}
• Solanum debile {{small|Dunal}}
• Solanum henryi {{small|Bukasov & Lechn.}}
• Solanum henryi f. laticalix {{small|Lechn.}}
• Solanum henryi f. pubescens {{small|Lechn.}}
• Solanum mechonguense {{small|Bukasov}}
• Solanum mercedense {{small|Bukasov}}
• Solanum nicaraguense {{small|Rydb.}}
• Solanum ohrondii {{small|Carrière}}
• Solanum rionegrinum {{small|Lechn.}}
• Solanum sorianum {{small|Bukasov}}
• Solanum tenue {{small|Sendtn.}}
• Solanum tenue var. pubescens {{small|Sendtn. ex Dunal}}
• Solanum tenue var. raphanifolium {{small|Dunal}}

}}}}

Solanum commersonii is a species of wild potato in the family Solanaceae. It is native to southern Brazil, Uruguay, and northeastern Argentina, and has been introduced to Mauritius.{{cite web |url=http://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:330647-2 |title=Solanum commersonii Poir. |author= |website=Plants of the World Online (POWO)|publisher=Board of Trustees of the Royal Botanic Gardens, Kew|access-date=13 November 2021 }} It is a crop wild relative useful in potato breeding for its resistance to root knot nematode, soft rot, blackleg, bacterial wilt (Ralstonia solanacearum), verticillium wilt, Potato virus X, tobacco etch virus, common scab, and late blight (caused by Phytophthora infestans), and for its frost tolerance and ability to cold acclimate.