Gentianella montesinosii (Gentianaceae, Gentianeae, Swertiinae), a New Species from Peru

The new species Gentianella montesinosii J. S. Pringle is described from Hunuco Department, Peru. It resembles G. pyrostelium J. S. Pringle, from which it differs in its much greater plant size, less deeply lobed corollas, and stamens inserted lower on the corolla tube.