![](http://www.alamy.com/thumbs/6/D42DF821-28A3-47F3-9787-FC9ED2DE2CDA/MNXX7K.jpg)
. English: Nepenthes ampullaria from Pieter Willem Korthals' 1839 monograph, 'Over het geslacht Nepenthes' . 1839. Pieter Willem Korthals (1807–1892) 922 Nepenthes ampullaria Korthals 1839
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Photo credit: © The Picture Art Collection / Alamy / Afripics
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Keywords: ., /, /., 1839., korthals, pieter, willem