Clermontia samuelii
 Clermontia samuelii is a rare species of flowering plant in the bellflower family known by the common name Hana clermontia. It is one of several Hawaiian lobelioids in genus Clermontia that are known as `oha wai. This plant is endemic to Maui where there are fewer than 250 mature specimens remaining. This is a federally listed endangered species of the United States.This is a shrub which can reach five meters in height. It grows in wet Metrosideros forests.