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''Oldenlandia'' is a genus of flowering plants in the family Rubiaceae. It is pantropical in distribution and has about 240 species.〔Inge Groeninckx, Steven Dessein, Helga Ochoterena, Claes Persson, Timothy J. Motley, Jesper Kårehed, Birgitta Bremer, Suzy Huysmans, and Erik Smets. 2009. "Phylogeny of the herbaceous tribe Spermacoceae (Rubiaceae) based on plastid DNA data". ''Annals of the Missouri Botanical Garden'' 96(1):109-132.〕〔David J. Mabberley. 2008. ''Mabberley's Plant-Book'' third edition (2008). Cambridge University Press: UK. ISBN 978-0-521-82071-4〕 The type species for the genus is ''Oldenlandia corymbosa''.〔''Oldenlandia'' In: Index Nominum Genericorum. In: Regnum Vegetabile (see ''External links'' below).〕 ''Oldenlandia'' was named by Linnaeus in 1753 in Species Plantarum.〔Carolus Linnaeus. 1753. ''Species Plantarum'' 1:119. Laurentii Salvii. (see ''External Links'' below).〕 The name honors the Danish botanist Henrik Bernard Oldenland (c.1663-1699).〔Umberto Quattrocchi. 2000. ''CRC World Dictionary of Plant Names'', volume III. CRC Press: Baton Rouge, New York, London, Washington DC. ISBN 978-0-8493-2673-8 (vol. III). (see ''External links'' below).〕 Some species are important in ethnomedicine; a number (usually island endemics) are threatened species, with one species and one variety being completely extinct already. Some botanists have not recognized ''Oldenlandia'', but have placed some or all of its species in a broadly defined ''Hedyotis''. More recently, the circumscription of ''Hedyotis'' has been narrowed to a monophyletic group of about 115 species and no longer includes ''Oldenlandia''.〔Jesper Kårehed, Inge Groeninckx, Steven Dessein, Timothy J. Motley, and Birgitta Bremer. 2008. "The phylogenetic utility of chloroplast and nuclear DNA markers and the phylogeny of the Rubiaceae tribe Spermacoceae". ''Molecular Phylogenetics and Evolution'' 49(3):843-866. 〕 The genus ''Oldenlandia'', as presently defined, is several times polyphyletic and will eventually be reduced to a group of species closely related to the type species. This group, known informally as ''Oldenlandia'' sensu stricto, is sister to a section of ''Kohautia'' that will eventually be separated from ''Kohautia'' and named as a new genus.〔 ==Selected species== * ''Oldenlandia adscenionis'' (extinct: 1889) * ''Oldenlandia aegialoides'' Bremek. * ''Oldenlandia affinis'' * ''Oldenlandia albonervia'' (Beddome) Gamble * ''Oldenlandia aretioides'' * ''Oldenlandia balfourii'' * ''Oldenlandia bicornuta'' * ''Oldenlandia cana'' Bremek. * ''Oldenlandia capensis'' * ''Oldenlandia cornata'' Craib * ''Oldenlandia corymbosa'' L. * ''Oldenlandia diffusa'' * ''Oldenlandia forcipistipula'' Verdc. * ''Oldenlandia galioides'' * ''Oldenlandia gibsonii'' * ''Oldenlandia glauca'' Blatter * ''Oldenlandia lanceolata'' Craib * ''Oldenlandia lancifolia'' (Schumacher) DC. * ''Oldenlandia marcanii'' Craib * ''Oldenlandia microtheca'' (D.F.K.Schldl. & Cham.) DC. * ''Oldenlandia ocellata'' * ''Oldenlandia oxycoccoides'' Bremek. * ''Oldenlandia patula'' Bremek. * ''Oldenlandia polyclada'' (F.Muell.) F.Muell. * ''Oldenlandia pulvinata'' * ''Oldenlandia sieberi'' Baker * * ''Oldenlandia sieberi'' var. ''congesta'' * * ''Oldenlandia sieberi'' var. ''sieberi'' (extinct) * ''Oldenlandia spathulata'' * ''Oldenlandia tenelliflora'' * * ''Oldenlandia tenelliflora'' var. ''papuana'' * ''Oldenlandia thysanota'' (Halford) Halford * ''Oldenlandia umbellata'' – Chay Root, Choy Root * ''Oldenlandia uvinsae'' Verdc. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Oldenlandia」の詳細全文を読む スポンサード リンク
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