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Drosera uniflora
''Drosera uniflora'' is a species in the carnivorous plant genus ''Drosera'' that is native to southern Chile, Argentina, and the Falkland Islands. It is a tiny sundew with a solitary white flower as its name would suggest. Stalked glands on its leaves, which secrete sticky mucilage at the tips, are used to capture and hold insect prey, from which the plant derives the nutrients it cannot obtain in sufficient quantity from the soil. It was formally described in 1809 by botanist Carl Ludwig Willdenow.〔Schlauer, J. 2010. (World Carnivorous Plant List - Nomenclatural Synopsis of Carnivorous Phanerogamous Plants ). Accessed online: 2 January 2010.〕
== Phylogeny ==
According to Rivadavia ''et al''. (2003), ''Drosera uniflora'' and its genetic and morphological New Zealand sister ''Drosera stenopetala'', probably derive from Australia, which, as the home to more than 80 species, is genetically rich in ''Drosera'' and could be considered a nexus for the genus. "The rbcL tree shows that the South American species arose by dispersal from Australia."〔 Although ''Drosera arcturi'', which is native to New Zealand and southeastern Australia, is thought to be closely related on the basis of similar morphology, "on the rbcL tree, ''Drosera arcturi'' was not closely related to ''Drosera stenopetala'' and ''Drosera uniflora''".〔
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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