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Cyanea st.-johnii : ウィキペディア英語版 | Cyanea st.-johnii
''Cyanea st.-johnii'' (formerly ''Rollandia st.-johnii'') is a rare species of flowering plant in the bellflower family known by the common name St. John's rollandia. It is endemic to Oahu, where it is known only from the Koʻolau Mountains.〔USFWS. (''Cyanea st.-johnii'' Five-year Review. ) August 2007.〕 It is a federally listed endangered species of the United States. Like other ''Cyanea'' it is known as ''haha'' in Hawaiian.〔(USFWS Species Profile: Listed Plants )〕 A 2007 report estimates 70 remaining individuals divided among seven occurrences in the upper elevations of the Koʻolau Mountains. The plant grows on top of ridges, in open, windy habitat within the cloud zone.〔(''Cyanea st.-johnii''. ) The Nature Conservancy.〕 The occurrences have been separated and isolated by habitat fragmentation.〔Bruegmann, M. M. & V. Caraway. (2003). (''Cyanea st.-johnii'' ). IUCN Red List of Threatened Species. IUCN 2010. (www.iucnredlist.org ). Retrieved on 28 February 2011.〕 This Hawaiian lobelioid is a shrub growing 30 to 60 centimeters tall and producing white flowers.〔 ==References==
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