Solanum perlongistylum

{{short description|Species of plant}}

{{Speciesbox

|image =

|genus = Solanum

|species = perlongistylum

|authority = Anderson et al., 2006

}}

Solanum perlongistylum is an evergreen vine in the family Solanaceae.{{cite journal|last1=Anderson|first1=G. J.|last2=Martine|first2=C. T.|last3=Prohens|first3=J.|last4=Nuez|first4=F.|title=Solanum Perlongistylum and S. Catilliflorum, New Endemic Peruvian Species of Solanum, Section Basarthrum, Are Close Relatives of the Domesticated Pepino, S. Muricatum|journal=Novon: A Journal for Botanical Nomenclature|volume=16|issue=2|year=2006|pages=161–167|issn=1055-3177|doi=10.3417/1055-3177(2006)16[161:SPASCN]2.0.CO;2|s2cid=85629504 |url=https://www.biodiversitylibrary.org/part/37293 }} It is endemic to Peru, and is a close relative of S. muricatum, the domesticated pepino. Its style is the longest in the group, and its flowers have a higher pollen:ovule ratio. It is self-incompatible. It is diploid at n  =  12. Together with Solanum catilliflorum, it might be an allopatric variant of S. caripense.