Malvaviscus penduliflorus is a flowering plant in the family Malvaceae. It can be found in many tropical places including in the United States, South America, Asia, Australia, and several islands.

It's known by many names including mazapan, Turk's cap mallow, cardinal's hat, firecracker hibiscus, sleeping hibiscus, and sleepy mallow; some of these names are shared with other flowers, most especially Malvaviscus arboreus. Its name penduliflorus means "hanging flower"

It is widely cultivated as an ornamental plant, though it can also be eaten.