Dicliptera francodavilae a new species of Acanthaceae from the remnant deciduous coastal dry forests, mainly from the area of Guayaquil, in the province of Guayas, western Ecuador, is here described and illustrated. It is distinguished from the 10 remaining species of the genus in Ecuador by having an inflorescence of terminal, rather loose racemes of umbels, cymule bracteoles narrowly elliptic-oblanceolate and pilose without and lilac to purple corollas, 15–25 mm long. Dicliptera francodavilae is assessed as Vulnerable (VU B1a, b, iii).