Geniostoma cyrtandrae, the Koûolau Range labordia, is a species of flowering plant in the Loganiaceae family. It is endemic to lowland tropical moist forests in Hawaii, and is threatened by habitat loss. Like other labordias, this plant is known as Kamakahala.
This species has been known from the Koûolau and Waianae Ranges of Oahu. Today there are two individuals remaining in the Koûolau Range, only one of which is mature, and 44 mature plants remain in the Waianae Range.