| Solanum hygrophilum Schltdl., 1833 |
| Solanum hypoleucum (Standl.) C.V. Morton, 1940 |
| Solanum inconspicuum Bitter, 1912 |
| Solanum inscendens Rydb., 1924 |
| Solanum interius Rydb., 1905 |
| Solanum isthmicum Bitter, 1912 |
| Solanum jaliscanum Greenm., 1899 |
| Solanum jasminoides Paxton, 1841 |
| Solanum karstenii Klotzsch, 1853 |
| Solanum lanceolatum Cav., 1795 |
| Solanum lanciforme Rydb., 1924 |
| Solanum laurifolium Mill., 1768 |
| Solanum lentum Cav., 1797 |
| Solanum lepidotum Humb. & Bonpl. ex Dunal, 1816 |
| Solanum leprosum Ortega, 1800 |
| Solanum leptosepalum Correll, 1952 |
| Solanum lignescens Fernald, 1897 |
| Solanum longiconicum Bitter, 1912 |
| Solanum longipedicellatum Bitter, 1912 |
| Solanum longipedicellatum var. longimucronatum Hawkes, 1944 |