Genus Thunbergia is a plant that belongs to the family Acanthaceae, commonly known as "clock vine" or "black-eyed susan vine". There are several synonyms for this genus, including Thunbergia alata, Thunbergia laurifolia, and Thunbergia grandiflora. These plants are native to African and Asian countries and are popular among gardeners due to their colorful and attractive flowers. The genus Thunbergia has over 100 species, ranging from annuals to perennials, and they can be grown as climbers or as ground cover. These plants require moderate watering and prefer full sun to partial shade. Genus Thunbergia is an excellent choice for adding color and variety to your garden.