A new species, Solanum diamantinense. is described and illustrated. Ii is e
ndemic to Brazil and restricted to the Chapada Diamantina in the State of B
ahia, northeastern Brazil. This species is closely related to the Brazilian
Solanum baturitense Huber, from which it differs by its oblanceolate leaf
blades, short calyx lobes, and dense, stalked, glandular-stellate pubescenc
e.