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Geranium arboreum
Also called Hawaiian Red Flower Geranium, Hawaiian Red Flowered Geranium
Geranium arboreum is a rare species of geranium known by the common names Hawaiian red-flowered geranium and Hawaii red cranesbill. It is endemic to Hawaii, where it is known only from the island of Maui. It was federally listed as an endangered species in 1992. Like other Hawaiian geraniums, this plant is known as hinahina and nohoanu.
This plant is a shrub which can reach 4 meters in height. The leaves have green, toothed blades up to 3.8 centimeters long. The flowers are red or magenta. The upper petals are erect, but the lower two are curved under. The shape of the flower indicates it is pollinated by birds, which is unique among the geraniums.
Geranium aculeolatum · Geranium albanum · Geranium antisanae · Geranium argenteum · Geranium aristatum · Geranium asphodeloides · Bicknell's cranesbill · Geranium bohemicum · Alpine Crane's Bill · Pineywoods geranium · California cranesbill · Carolina geranium
Text excerpted from the Wikipedia article Geranium arboreum 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.
