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Justicia flaviflora
''Justicia flaviflora'' is a species of herbaceous plant in the family Acanthaceae.〔 The species is endemic to the island of Trinidad in the Caribbean republic of Trinidad and Tobago. Specifically, it is only known from several locations in the Heights of Aripo, one of the highest points in Trinidad's Northern Range.〔 ''Justicia flaviflora'' is an erect herb with leaves up to 27.5 centimetres (11 inches) long and around 11 centimetres (4 inches) broad. The corolla of the flower is cylindrical, about 2.8 cm (1.1 in) long.
The species was originally described as ''Beloperone flaviflora'' in 1922 by the English botanist William Bertram Turrill based on collections made by Robert O. Williams in the same year.〔 Turrill considered it a close relative of a Mexican species, ''Beloperone tenera'' (now ''J. tenera'').〔 Its currently accepted name, ''Justicia flaviflora'' was coined by the American botanist Dieter C. Wasshausen in 1995, reflecting the predominant view that the members of the genus ''Beloperone'' should actually be considered members of the genus ''Justicia''. As of 2006, the species was last known to have been collected in 1993. Collections of ''J. flaviflora'' are known to exist in the herbaria of the British Museum and at the Royal Botanic Gardens, Kew.
Although ''Justicia flaviflora'' is not listed as an endangered species on the IUCN Red List, the authors of a 2008 assessment of the endemic plant species of Trinidad and Tobago considered the species critically endangered. Reasons cited for this were the fact that the species is known only from only two localities, and that this area is shrinking. The species is experiencing a severe case of habitat degradation.〔 The IUCN Red List Categories and Criteria published in 2001 specifically states that a species is considered ''critically endangered'' if it has limited geographic range both in the extent of the species' occurrence (criterion B1) and the area (criterion B2) that the individuals occupy within that range.
==See also==
* Endemic flora of Trinidad and Tobago
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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