. English: Nepenthes gymnamphora from Pieter Willem Korthals' 1839 monograph, 'Over het geslacht Nepenthes' . 1839. Pieter Willem Korthals (1807–1892) 922 Nepenthes gymnamphora Korthals 1839


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Keywords: ., /, /., 1839., korthals, pieter, willem