Rollandia humboldtiana Cyanea humboldtiana (formerly Rollandia humboldtiana) is a rare species of flowering plant in the bellflower family known by the common name Oʻahu rollandia.

[2] This Hawaiian lobelioid is a shrub reaching 1 to 2 meters in height.

They grow along the southern peaks of the Koʻolau Range in the cloud zone.

The species is threatened by exotic plants and feral pigs in its habitat.

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