Abstract A new species of Ipomoea, thus far endemic to Caatinga domain, is described. The occurs in a “carrasco” physiognomy - shrubby vegetation on sandy soils characterized by the presence cacti and bromeliads. can be recognized combination morphological characters, including leaf blade with lanate abaxial surface long hairs, sepals lanceolate, acuminate, tomentose, smooth. complete descripti...