In Cuyo, semiarid thorny bushes and other xerophile plants abound. Above the altitude of , tough grasses, xerophile vegetation, Baccharis articulata and marcela predominate. The basin of Lake Sevan is a crossroad for mezophile and Armenian-Iranian xerophile flora belts. The basin of Lake Sevan is a crossroad for mesophile and Armenian-Iranian xerophile flora belts. The majority of the plants are xerophile, represented by xeromorphous shrubs.