''Cyanea acuminata'' is a rare species of flowering plant known by the common names Honolulu cyanea. It is

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found els ...

Oahu Oahu () ( Hawaiian: ''Oʻahu'' ()), also known as "The Gathering Place", is the third-largest of the Hawaiian Islands. It is home to roughly one million people—over two-thirds of the population of the U.S. state of Hawaii. The island of O� ...

, where there are no more than 250 individuals remaining.Bruegmann, M. M. & V. Caraway. (2003)
''Cyanea acuminata''
IUCN Red List of Threatened Species. IUCN 2010
www.iucnredlist.org
. Retrieved on 24 February 2011. It is a federally listed endangered species of the United States. Like other '' Cyanea'' it is known as ''haha'' in

Hawaiian Hawaiian may refer to: * Native Hawaiians, the current term for the indigenous people of the Hawaiian Islands or their descendants * Hawaii state residents, regardless of ancestry (only used outside of Hawaii) * Hawaiian language Historic uses * ...

.Hawaiian Native Plant Genera: ''Cyanea''
/ref> This

Hawaiian lobelioid The Hawaiian lobelioids are a group of flowering plants in the bellflower family, Campanulaceae, subfamily Lobelioideae, all of which are endemic to the Hawaiian Islands. This is the largest plant radiation in the Hawaiian Islands, and indeed t ...

is a shrub up to 2 meters tall. It grows in wet forests and on slopes and ridges in the Koʻolau and Waiʻanae Mountains of Oahu.USFWS
''Cyanea acuminata'' Five year Review.
July 2009. The remaining plants are divided among 18 subpopulations which are threatened by damage to their habitat from

feral pig The feral pig is a domestic pig which has gone feral, meaning it lives in the wild. They are found mostly in the Americas and Australia. Razorback and wild hog are Americanisms applied to feral pigs or boar-pig hybrids. Definition A feral ...

s and

goats The goat or domestic goat (''Capra hircus'') is a domesticated species of goat-antelope typically kept as livestock. It was domesticated from the wild goat (''C. aegagrus'') of Southwest Asia and Eastern Europe. The goat is a member of the a ...

rat Rats are various medium-sized, long-tailed rodents. Species of rats are found throughout the order Rodentia, but stereotypical rats are found in the genus ''Rattus''. Other rat genera include '' Neotoma'' ( pack rats), '' Bandicota'' (bandico ...

s, and

exotic plants An introduced species, alien species, exotic species, adventive species, immigrant species, foreign species, non-indigenous species, or non-native species is a species living outside its native distributional range, but which has arrived ther ...

such as Maui pamakani (''Ageratina adenophora''),

kukui ''Aleurites moluccanus'', the candlenut, is a flowering tree in the spurge family, Euphorbiaceae, also known as candleberry, Indian walnut, ''kemiri'', varnish tree, ''nuez de la India'', ''buah keras'', ''godou'', kukui nut tree, and ''rata ...

(''Aleurites moluccanus''), and

ti plant ''Cordyline fruticosa'' is an evergreen flowering plant in the family Asparagaceae. The plant is of great cultural importance to the traditional animistic religions of Austronesian and Papuan peoples of the Pacific Islands, New Zealand, Island ...

(''Cordyline fruticosa''). Other threats to the plant and its habitat include fire and trampling by military personnel. Botanists are hopeful that there are many more than 250 plants remaining in unsurveyed areas of the island.

References

External links

USDA Plants Profile
acuminata Endemic flora of Hawaii Biota of Oahu {{Campanulaceae-stub