Isodendrion hosakae
 Isodendrion hosakae is a rare species of flowering plant in the violet family known by the common names cindercone isodendrion and aupaka. It is endemic to Hawaii where it is known from fewer than 1000 individuals on the island of Hawaii. It is a federally listed endangered species of the United States.This is a shrub growing up to about 80 centimeters in maximum height. The lance-shaped leaves are about 2.5 centimeters long.