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Haworthia venosa : ウィキペディア英語版 | Haworthia venosa
''Haworthia venosa'' is a species of flowering plant in the genus ''Haworthia'' belonging to the family Xanthorrhoeaceae, native to Namibia and South Africa. ==Naming and taxonomy== The genus name ''Haworthia'' honors the British botanist Adrian Hardy Haworth (1767–1833), while the species name ''venosa'' means "veined”. Within the genus ''Haworthia'', the species forms part of the subgenus ''Hexangulares''. More specifically, it falls within section ''Venosae'' (together with its close relatives, ''Haworthia limifolia'', ''Haworthia koelmaniorum'' and ''Haworthia woolleyi''). Recent phylogenetic studies have demonstrated that subgenus ''Hexangulares'' is actually relatively unrelated to other Haworthias (being more closely related to ''Gasterias''. It will therefore comprise a new, separate genus, ''Haworthiopsis'', and this species will accordingly become ''"Haworthiopsis venosa"''.〔Manning, John; Boatwright, James S.; Daru, Barnabas H.; Maurin, Olivier; van der Bank, Michelle. A Molecular Phylogeny and Generic Classification of Asphodelaceae subfamily Alooideae: A Final Resolution of the Prickly Issue of Polyphyly in the Alooids? Systematic Botany, Volume 39, Number 1, March 2014, pp. 55-74〕〔http://www.haworthia.org.uk/haworthia.htm〕
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