👉 Coulteria is a genus of flowering plants in the family Asteraceae, native to the southeastern United States and Mexico. They are known for their large flowers, which can grow up to 10 feet tall and have a distinctive, pointed shape. C. californica is particularly notable for its large, showy white flowers that attract pollinators like bees and butterflies. The genus also includes other species such as C. tridentata, which produces pink or purple flowers,