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Nepenthes rowaniae
''Nepenthes rowaniae'' (; after Ellis Rowan, Australian naturalist and illustrator) is a species of pitcher plant endemic to the Cape York Peninsula, Australia. It is closely related to ''N. mirabilis'' and was once considered an extreme form of this species.〔Clarke, C.M. & R. Kruger 2005. (''Nepenthes rowanae'' (Nepenthaceae), a remarkable species from Cape York, Australia. ) ''Carnivorous Plant Newsletter'' 34(2): 36-41.〕〔Lowrie, A. 2013. ''Nepenthes rowaniae'' F.M.Bailey. In: ''Carnivorous Plants of Australia Magnum Opus - Volume Three''. Redfern Natural History Productions, Poole. pp. 906–909.〕
==Taxonomy==
Between 1881 and 1905, Frederick Manson Bailey described 11 species of ''Nepenthes'' from northern Australia,〔Bailey, F.M. 1897. Contributions to the Flora of Queensland. ''Queensland Agricultural Journal'' 1: 231.〕 all of which were placed in synonymy with ''N. mirabilis'' by B. H. Danser in 1928.〔Danser, B.H. 1928. The Nepenthaceae of the Netherlands Indies. ''Bulletin du Jardin Botanique de Buitenzorg'', Série III, 9(3-4): 249-438.〕 The only taxon which Danser considered to possess morphological characters atypical of ''N. mirabilis'' was ''N. rowaniae''. He wrote:〔
"Of all these I have seen the type or at least authentic specimens, but they are nearly all mere growth forms of ''N. mirabilis''. Only ''N. rowanae'' shows a character not yet met with in ''N. mirabilis'', ''viz.'' campanulate-infundibuliform upper pitchers. A similar aberration, however, is often met with in several allied species and is certainly insufficient for specific distinction."
However, field observations carried out between 2001 and 2003 "showed that ''N. rowanae'' possesses several stable, significant morphological and ecological characteristics that are not exhibited by ''N. mirabilis''", and the taxon was subsequently elevated to a species in 2005.〔 This opinion is not universally shared; taxonomist Jan Schlauer continues to treat ''N. rowaniae'' as a heterotypic synonym of ''N. mirabilis'' in his Carnivorous Plant Database.〔Schlauer, J. N.d. (''Nepenthes rowanae'' ). Carnivorous Plant Database.〕
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