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Cyanea humboldtiana
Also called Haha
Cyanea humboldtiana (formerly Rollandia humboldtiana) is a rare species of flowering plant in the bellflower family known by the common name Oʻahu rollandia. It is native to Oʻahu, where it is known only from the Koʻolau Mountains. It is a federally listed endangered species. Like other Cyanea it is known as haha in Hawaiian.
This Hawaiian lobelioid is a shrub reaching 1 to 2 meters in height. It bears magenta or white flowers. There are no more than 300 individuals remaining. 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.
Honolulu cyanea · 'aku · Gingerleaf cyanea · Spleenwort cyanea · O'ahu cyanea · Treetrunk cyanea · Koolau Range rollandia · Long-foot cyanea · Ravine cyanea · Eleele cyanea · Cyanea gibsonii · Smooth cyanea
Text excerpted from the Wikipedia article Cyanea humboldtiana by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
