| Solanum americanum | 
|  | 
|
| Scientific classification | 
| Kingdom: | Plantae | 
 
| Clade: | Tracheophytes | 
 
| Clade: | Angiosperms | 
 
| Clade: | Eudicots | 
 
| Clade: | Asterids | 
 
| Order: | Solanales | 
 
| Family: | Solanaceae | 
 
| Genus: | Solanum | 
| Species: | S. americanum | 
| Binomial name | 
| Solanum americanum 
 | 
|
| Synonyms | 
| List 
Solanum adventitium PolgarSolanum amarantoides DunalSolanum americanum var. nodiflorum (Jacq.) EdmondsSolanum caribaeum DunalSolanum curtipes BitterSolanum depilatum BitterSolanum ganchouenense H. Lév.Solanum gollmeri BitterSolanum humile Lam.Solanum imerinense BitterSolanum inconspicuum BitterSolanum indecorum Rich.Solanum inops DunalSolanum minutibaccatum BitterSolanum minutibaccatum var. curtipedunculatum BitterSolanum nigrum L.Solanum nigrum var. americanum (Mill.) O.E. SchulzSolanum nigrum var. atriplicifolium G. Mey.Solanum nigrum var. minor Hook. f.Solanum nigrum var. nodiflorum (Jacq.) A. GraySolanum nigrum var. pauciflorum LiouSolanum nigrum var. virginicum L.Solanum nodiflorum Jacq.Solanum nodiflorum var. acuminatum DunalSolanum nodiflorum var. macrophyllum DunalSolanum nodiflorum var. petiolastrum DunalSolanum nodiflorum var. puberulum DunalSolanum nodiflorum var. sapucayense ChodatSolanum oleraceum DunalSolanum parviflorum BadaròSolanum photeinocarpum Nakam. & Odash.Solanum pterocaulon DunalSolanum purpuratum BitterSolanum quadrangulare Thunb. ex L. f.Solanum sciaphilum BitterSolanum tenellum BitterSolanum triangulare Lam.
 | 
Solanum americanum, commonly known as American black nightshade, small-flowered nightshade or glossy nightshade, is a herbaceous flowering plant of wide though uncertain native range. The certain native range encompasses the tropics and subtropics of the Americas, Melanesia, New Guinea, and Australia.
The plant is widely naturalised around the tropical Pacific and Indian Oceans, including Hawaiʻi, Indochina, Madagascar and Africa, possibly via anthropogenic introduction in these locales.
Solanum americanum is one of the most widespread and morphologically variable species belonging to the section Solanum. It can be confused with other black nightshade species in the Solanum nigrum complex.