Solanum viarum
 Solanum chloranthum redirects here. This refers to the name as established by Michel Félix Dunal. Other scientists have applied this taxon to other species; see below.Solanum viarum the tropical soda apple is a perennial shrub native to Brazil and Argentina with a prickly stem and prickly leaves. The fruit is golf-ball-sized with the coloration of a watermelon.