Angelonia angustifoliaAngelonia angustifolia, the summer snapdragon, is a species of perennial plant in the family Plantaginaceae.DescriptionAngelonia angustifolia has flowers that are either pink, blue, white, or purple. The flowers are reminiscent of snapdragons, although they are of a different genus. The flowers protrude off a center stem and has spear shaped serrated leaves.RangeAngelonia angustifolia is native to Mexico and the West Indies, but has been introduced notably in America, India, and Southeast Asia.HabitatSummer snapdragons grow in moist soil and in full sun. It can survive in arid to semi-arid regions.