(Cyanea humboldtiana)
Cyanea humboldtiana (formerly Rollandia humboldtiana) is a rare species of flowering plant in the bellflower family known by the common name O?ahu rollandia. It is native to O?ahu, where it is known only from the Ko?olau Mountains. It is a federally listed endangered species. Like other Cyanea it is known as haha in Hawaiian.