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・ Drosera browniana
・ Drosera bulbigena
・ Drosera bulbosa
・ Drosera burmannii
・ Drosera caduca
・ Drosera callistos
・ Drosera capensis
・ Drosera capillaris
・ Drosera cistiflora
・ Drosera cuneifolia
・ Drosera darwinensis
・ Drosera derbyensis
・ Drosera dielsiana
・ Drosera dilatato-petiolaris
・ Drosera erythrogyne
Drosera erythrorhiza
・ Drosera falconeri
・ Drosera filiformis
・ Drosera fimbriata
・ Drosera fulva
・ Drosera gibsonii
・ Drosera gigantea
・ Drosera glanduligera
・ Drosera graniticola
・ Drosera graomogolensis
・ Drosera hamiltonii
・ Drosera hartmeyerorum
・ Drosera heterophylla
・ Drosera huegelii
・ Drosera humilis


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Drosera erythrorhiza : ウィキペディア英語版
Drosera erythrorhiza

''Drosera erythrorhiza'', the red ink sundew, is a perennial tuberous species in the carnivorous plant genus ''Drosera'' that is endemic to Western Australia. It grows in a rosette and is distinguished from the other species in section ''Erythrorhiza'' by its many-flowered cymose inflorescences with up to 50 individual flowers. ''D. erythrorhiza'' was first described by John Lindley in his 1839 publication ''A sketch of the vegetation of the Swan River Colony''. In 1992, N. G. Marchant and Allen Lowrie described three new subspecies, thus also creating the autonym ''D. erythrorhiza'' subsp. ''erythrorhiza''.〔Marchant, N. and A. Lowrie. 1992. New names and new combinations in 34 taxa of Western Australian tuberous and pygmy ''Drosera''. ''Kew Bulletin'', 47(2): 315-328.〕 The subspecies were separated from this variable species mostly by leaf morphology and distribution.〔〔Rice, Barry. 2008. (The tuberous rosetted ''Drosera'' ). The Carnivorous Plant FAQ v. 11.5. Accessed online: 21 February 2009.〕
''D. erythrorhiza'' subsp. ''collina'' is named for its native hilly habitat and typically has more leaves of various shapes within the same rosette. ''D. erythrorhiza'' subsp. ''erythrorhiza'' has fewer, wider leaves as compared to ''D. erythrorhiza'' subsp. ''magna'', which has larger (wider) leaves and frequently has more of them. Finally, ''D. erythrorhiza'' subsp. ''squamosa'' was originally described by George Bentham in 1864 at the species rank as ''Drosera squamosa''. Marchant and Lowrie reduced it to the subspecies rank under ''D. erythrorhiza''. Subspecies ''squamosa'' differs from subsp. ''erythrorhiza'' in the appearance of red leaf margins caused by the dense red tentacles.〔〔 Earlier, in his 1906 taxonomic monograph of the Droseraceae, Ludwig Diels introduced a new variety, ''D. erythrorhiza'' var. ''imbecilla''.〔Diels, L. 1906. Droseraceae ''In'' Engler, A. ''Das Pflanzenreich''. IV. 112.〕
A competing taxonomy was developed and introduced by Jindřich Chrtek and Zdeňka Slavíková in 1999 where the authors argue for the reclassification of the tuberous ''Drosera'' (encompassing all of ''Drosera'' subgenus ''Ergaleium'') into Johann Georg Christian Lehmann's 1844 genus ''Sondera'' that had been reduced to a synonym of ''Drosera''. In doing so, Chrtek and Slavíková elevated Marchant and Lowrie's subspecies and established the following species: ''Sondera collina'', ''S. erythrorhiza'', ''S. magna'', and ''S. squamosa''.〔Chrtek, J. and Z. Slavíková. 1999. Genera and families of the Droserales order. Novit. Bot. Univ. Carol. 13: 39-46.〕 This reclassification, however, is not widely followed.
== See also ==

*List of ''Drosera'' species

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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