New Nepenthes

''New Nepenthes: Volume One'' is a reference work by Stewart McPherson on the pitcher plants of the genus ''Nepenthes''. It was published in 2011 by Redfern Natural History Productions and focuses on discoveries made since the release of McPherson's 2009 monograph, ''Pitcher Plants of the Old World''. The book was edited by Alastair Robinson.McPherson, S.R. 2011. ''New Nepenthes: Volume One''. Redfern Natural History Productions, Poole.

Content

As a supplementary volume to ''Pitcher Plants of the Old World'', the book covers taxa documented since the publication of that work in 2009, including 18 new species, 2 revised species, 1 new variety, and 2 new incompletely diagnosed taxa. The book provides detailed accounts of all of these taxa, often in the format of its predecessor, and these are accompanied by expedition reports and formal species descriptions. The content is arranged in broad geographical categories.

Seven species are formally described as new: '' N. appendiculata'' and '' N. epiphytica'' from Borneo, '' N. ceciliae'' and '' N. pulchra'' from the Philippines, '' N. nigra'' and '' N. undulatifolia'' from Sulawesi, and '' N. monticola'' from New Guinea. This last species had previously been confused with the ultrahighland '' N. lamii''; its recognition as a distinct species necessitated the publication of a revised circumscription for ''N. lamii''. The work also includes an emended description of '' N. thorelii'', which was rediscovered in 2011 after more than 100 years. Two " incompletely diagnosed taxa" are also included: ''N.'' sp. Anipahan and ''N.'' sp. Luzon (later described as '' N. aenigma'').Gronemeyer, T., W. Suarez, H. Nuytemans, M. Calaramo, A. Wistuba, F.S. Mey & V.B. Amoroso 2016. Two new ''Nepenthes'' species from the Philippines and an emended description of ''Nepenthes ramos''. ''Plants'' 5(2): 23.

The book includes accounts of the discovery of all newly described species, as well as new populations of '' N. attenboroughii'', '' N. holdenii'', '' N. philippinensis'' and related taxa, '' N. pitopangii'' (previously known from a single plant), and an undiagnosed ''Nepenthes'' taxon from the Cardamom Mountains of Cambodia.

Species

The following 23 newly discovered or revised taxa are covered in ''New Nepenthes''. The seven species denoted with an asterisk (*) are formally described in the book; the two with a dagger (†) are given emended descriptions.

# '' N. andamana''
# '' N. appendiculata'' *
# '' N. ceciliae'' *
# '' N. chang''
# '' N. epiphytica'' *
# '' N. gantungensis''
# '' N. hamiguitanensis''
# '' N. holdenii''
# '' N. kerrii''
# '' N. lamii'' †
# '' N. leonardoi''
# ''N. mirabilis'' var. ''globosa''
# '' N. monticola'' *
# '' N. nigra'' *
# '' N. palawanensis''
# '' N. pulchra'' *
# '' N. robcantleyi''
# '' N. suratensis''
# '' N. thai''
# '' N. thorelii'' †
# '' N. undulatifolia'' *

;Incompletely diagnosed taxa
# ''N.'' sp. Anipahan
# ''N.'' sp. Luzon ('' N. aenigma'')

Additionally, all known highland Palaweño species are covered in detail, including '' N. attenboroughii'', '' N. deaniana'', '' N. mantalingajanensis'', and '' N. mira''.McPherson, S.R. 2011. Comparison of the highland Palaweño ''Nepenthes''. In: ''New Nepenthes: Volume One''. Redfern Natural History Productions, Poole. pp. 364–381.

Overall, 138 species and 3 incompletely diagnosed taxa are recognised in the genus.

Future volumes

With regard to future volumes, McPherson writes:

Although this work addresses all new ''Nepenthes'' and novel observations relating to the genus discovered since 2009, it is specifically titled Volume One because continuing exploration is likely to reveal additional ''Nepenthes'' species, as well as information that adds to our understanding of the diversity, ecology and taxonomy of these complex and fascinating plants. When sufficient observations have been made, it is my intent to publish further New ''Nepenthes'' volumes as required.

References

{{Nepenthes monographs

Nepenthes literature
2011 non-fiction books