Gloxinia, << glok SIHN ee uh, >> is a plant remarkable for its richly colored velvety leaves and large bell-shaped flowers. It is native to tropical America, but is grown as a house plant and in greenhouses. Gloxinias should not be exposed to direct sunlight or constant high humidity. The soil should be kept slightly moist. The plant grows from tubers, seeds, or cuttings from stems or leaves.