Cyrtandra subumbellata is a rare species of flowering plant in the African violet family known by the common name parasol cyrtandra. It is endemic to Hawaii, where it is known only from the Koʻolau Mountains on the island of Oahu. By 2008 there were three known populations containing 110 plants, or possibly more. It was federally listed as an endangered species in 1996. Like other Hawaiian Cyrtandra it is called ha`iwale. This plant grows in wet forests, often near streams. It is a shrub growing 2 to 3 meters tall and bearing white flowers.