👉 Rismethus is a genus of flowering plants in the family Annonaceae, commonly known by its common name black-eyed Susan. These plants are native to Australia and are known for their beautiful, delicate flowers that resemble a dark blue eye. They are characterized by their distinctive, pointed leaves with serrated edges and a low, upright stem that grows into an oblong shape. Rismethus is often used as ornamental plants due to their attractive appearance and their ability to thrive in