Two new species of Gentianella (Gentianaceae) from Bolivia

Two new species of Gentianella, G. quechuana and G. longisepala, are described from the high Andes of Cochabamba, Bolivia. The first new species is characterized by the presence of trichomes inside the corolla tube, 5-veined leaves with papillose margins, pedicels 1-4 cm long, and corolla 2.1-3.5 cm long. These characters distinguish G. quechuana from the most similar species Gentianella kuntzei, G. ruizii, G. nitida, G. longibarbata, and G. amarella. The second new species has an erect herbaceous habit and is 20-50 cm tall, is glabrous inside the corolla, its calyx is 2.4-2.8 cm long with lobes two or more times longer than calyx tube, and its inflorescence has 1-3 flowers. These morphological characters differentiate G. longisepala from very similar species, such as Gentianella bromifolia and G. silenoides (= Gentiana herzogii).