👉 Gnolus is a genus within the family Lamiaceae, which belongs to the order Asteraceae and contains about 23 species of flowering plants in North America. These include flowering shrubs, small trees, and shrubbery that grow up to 10-15 feet tall, with large flowers often with five petals or more. The genus is known for its distinctive white flowers, which are often used as ornamental plants in gardens and landscaping.