Eleven new species of Palicourea Aubl. from the Andes of Ecuador, Peru, and Bolivia are documented by recent exploration. Two new species from the Andes of Ecuador and Peru belong to Palicourea subg. Palicourea and are similar to P. premontana C. M. Taylor: P. hollinensis C. M. Taylor of the Cordillera del Cóndor differs in its stiff leaves and pubescent corollas, and P. rodriguezii C. M. Taylor of the Cordillera del Cóndor and the Cordillera Yanachaga differs in its well-developed pedicels and broadly angled pyrenes. Nine new species from the Andes of Ecuador, Peru, and Bolivia belong to Palicourea subg. Montanae C. M. Taylor: P. albaniana C. M. Taylor of the Cordillera del Cóndor differs from P. lasiophylla K. Krause in its larger bracts; P. azulina C. M. Taylor of central Peru differs from P. sulphurea (Ruiz & Pav.) DC. in its shorter blue corollas; P. bullulata C. M. Taylor of Ecuador is notable for its bullulate leaves and well-developed bracts; P. pachystipula C. M. Taylor of Ecuador differs from P. lyristipula Wernham in its larger stipules and flowers; P. palaciosii C. M. Taylor of Ecuador is notable for its spiciform inflorescences with well-developed bracts and its horned corolla lobes; P. sucllii C. M. Taylor of Peru and Bolivia differs from P. azulina by its shorter stipules and generally longer corollas; P. tunquiensis C. M. Taylor of Peru differs from P. candida C. M. Taylor in its corolla lobes with long apical appendages; P. vernicosa C. M. Taylor of the Cordillera Yanachaga differs from P. albaniana in its glabrous, shiny, stiff leaves; and P. yanesha C. M. Taylor of Peru differs from P. canarina C. M. Taylor in its pubescent corollas with well-developed horns on the lobes.