"Over het geslacht ''Nepenthes''" (lit. "Concerning the genus ''Nepenthes''") is a

Dutch-language Dutch ( ) is a West Germanic language spoken by about 25 million people as a first language and 5 million as a second language. It is the third most widely spoken Germanic language, after its close relatives German and English. ''Afrikaans'' ...

monograph by

Pieter Willem Korthals Pieter Willem Korthals (September 1, 1807, Amsterdam – March 1892, Haarlem) was a Dutch botanist. Korthals was the official botanist with the Dutch East India Service from 1831 to 1836. Among his many discoveries was the medicinal plant Krat ...

on the tropical

pitcher plant Pitcher plants are several different carnivorous plants which have modified leaves known as pitfall traps—a prey-trapping mechanism featuring a deep cavity filled with digestive liquid. The traps of what are considered to be "true" pitcher p ...

s of the genus '' Nepenthes''. Korthals, P.W. 1839. Over het geslacht ''Nepenthes''. In: C.J. Temminck 1839–1842. ''Verhandelingen over de Natuurlijke Geschiedenis der Nederlandsche overzeesche bezittingen; Kruidkunde''. Leiden. pp. 1–44, t. 1–4, 13–15, 20–22. It was published in 1839 in Coenraad Jacob Temminck's ''Verhandelingen over de Natuurlijke Geschiedenis der Nederlandsche overzeesche bezittingen''. It is generally regarded as the first monograph on ''Nepenthes''.Clarke, C.M. 1997. ''

Nepenthes of Borneo ''Nepenthes of Borneo'' is a monograph by Charles Clarke on the tropical pitcher plants of Borneo.Clarke, C.M. 1997. ''Nepenthes of Borneo''. Natural History Publications (Borneo), Kota Kinabalu. It was first published in 1997 by Natural History ...

''. Natural History Publications (Borneo), Kota Kinabalu.Phillipps, A., A. Lamb & C.C. Lee 2008. ''

Pitcher Plants of Borneo ''Pitcher-Plants of Borneo'' is a monograph by Anthea Phillipps and Anthony Lamb on the tropical pitcher plants of Borneo. It was first published in 1996 by Natural History Publications (Borneo), in association with the Royal Botanic Gardens, Kew ...

''. Second Edition. Natural History Publications (Borneo), Kota Kinabalu. Korthals recognised 9 species: '' N. ampullaria'', '' N. bongso'', '' N. boschiana'', '' N. distillatoria'', '' N. gracilis'', '' N. gymnamphora'', '' N. madagascariensis'', '' N. phyllamphora'' (now known as '' N. mirabilis''),McPherson, S.R. 2009. ''

Pitcher Plants of the Old World ''Pitcher Plants of the Old World'' is a two-volume monograph by Stewart McPherson on the pitcher plants of the genera '' Nepenthes'' and ''Cephalotus''. It was published in May 2009 by Redfern Natural History Productions and covers all species ...

''. 2 volumes. Redfern Natural History Productions, Poole. and '' N. rafflesiana''. Three of these—''N. bongso'', ''N. boschiana'', and ''N. gracilis''—were described for the first time, and six were illustrated with hand-coloured lithographs.

References

External links

Nepenthes literature 1839 documents {{Nepenthes-stub