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  • 1
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    Key to the genera of Orchidaceae of New Guinea (1995)
    In:  Flora Malesiana Bulletin (0071-5778) vol.11 (1995) nr.6 p.401
    Details
    Publication Date: 2015-04-20
    Description: With roughly 2300 known species in 133 genera (see Appendix), New Guinea is the richest area in the palaeotropics as far as orchids are concerned. Up to the present the only useful key with which orchids from New Guinea can be identified to genus level is that published by J.J. Smith in 1934. This key is now obsolete in several respects because of changes in nomenclature and in taxonomic views. Besides, Smith’s key is not always very practical; frequent use is made of characters which are difficult to evaluate in preserved material or which easily may be misunderstood. Yet, many orchid genera can be recognized at a glance, a fact which is not at all obvious from most keys that I have seen.
    Repository Name: National Museum of Natural History, Netherlands
    Type: Article / Letter to the editor
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  • 2
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    Biogeography of Malesian Orchidaceae (1999)
    In:  Flora Malesiana Bulletin (0071-5778) vol.12 (1999) nr.6 p.273
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    Publication Date: 2015-04-20
    Description: The Orchidaceae outnumber by far any other plant family in Malesia. At present, however, an accurate estimate of the number of Malesian orchid species is difficult to make. Subtracting the number of established synonyms from the number of names attributed to Malesian orchid species results in the staggering figure of 6414 species, with a retention ratio (ratio of ‘accepted’ species to heterotypic names) of 0.74. This is undoubtedly a gross overestimate, as most of the 209 Malesian orchid genera have never been revised over their entire range. Extrapolating from available revisions to estimate a more realistic retention ratio is problematic due to the small number of modern revisions and the different nature of the groups treated. If we look for comparison at Malesian species of some recently revised groups, we encounter a wide range of retention ratios: Bulbophylluw sect. Uncifera (Vermeulen, 1993): 0.24 Dendrobium sect. Oxyglossum (Reeve & Woods, 1989): 0.24 Mediocalcar (Schuiteman, 1997): 0.29 Pholidota (De Vogel, 1988): 0.29 Bulbophyllum sect. Pelma (Vermeulen, 1993): 0.50 Paphiopedilum (Cribb, 1987, modified): 0.57 Dendrobium sect. Spatulata (Cribb, 1986, modified): 0.60. Correspondingly, we find a wide range of estimates for the ‘real’ number of known Malesian orchid species: from 2050 to 5125.
    Repository Name: National Museum of Natural History, Netherlands
    Type: Article / Letter to the editor
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  • 3
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    New species of Podochilus and Trichoglottis (Orchidaceae) from Borneo (1998)
    In:  Blumea - Biodiversity, Evolution and Biogeography of Plants (0006-5196) vol.43 (1998) nr.2 p.489
    Details
    Publication Date: 2015-03-06
    Description: The new species Podochilus marsupialis Schuit. and Trichoglottis tinekeae Schuit., both from Borneo, are described and illustrated. The new name Podochilus sect. Sarganella is proposed to replace the illegitimate Podochilus sect. Eu-Podochilus Schltr.
    Keywords: Orchidaceae ; Podochilus ; Trichoglottis ; Sarawak ; Borneo
    Repository Name: National Museum of Natural History, Netherlands
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  • 4
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    New combinations in Cadetia and Pantlingia (Orchidaceae) (1994)
    In:  Blumea - Biodiversity, Evolution and Biogeography of Plants (0006-5196) vol.39 (1994) nr.1/2 p.235
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    Publication Date: 2015-03-06
    Description: The following species, described in Dendrobium but belonging to Cadetia, have not yet been formally transferred: Cadetia citrina (Ridley) Schuiteman, comb. nov. Dendrobium citrinum Ridley, Trans. Linn. Soc. London, ser. 2, 9 (1916) 175. Dendrobium fluctuosum J.J. Sm., Bot. Jahrb. 66 (1934) 186, syn. nov. — Cadetia fluctuosa (J.J. Sm.) P.F. Hunt, Kew Bull. 26 (1971) 179, syn. nov. Note – Cadetia citrina is a distinctive, large-flowered species, related to C. cyclopensis (J.J. Sm.) Schltr., but with relatively much shorter, elliptic petals and broadly rounded side-lobes to the lip. More than half a dozen collections of C. citrina were studied, including the types of Dendrobium fluctuosum and D. citrinum. They are quite constant morphologically, differing only somewhat in the size of the flowers. The description of Dendrobium citrinum is of a relatively small-flowered specimen, that of D. fluctuosum of a large-flowered one. Most of the specimens seen by me were intermediate in size. This very pretty species is widely distributed in New Guinea, from the Cenderawasih [Vogelkop] Peninsula in Irian Jaya to the Southern Highlands Province of Papua New Guinea, between 1100 and 2000 m asl. Cadetia doormanii (J.J. Sm.) Schuiteman, comb. nov. Dendrobium doormanii J.J. Sm., Nova Guinea 14 (1929) 397.
    Repository Name: National Museum of Natural History, Netherlands
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  • 5
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    Notes on Goodyerinae (Orchidaceae) — I (1996)
    In:  Blumea - Biodiversity, Evolution and Biogeography of Plants (0006-5196) vol.41 (1996) nr.2 p.397
    Details
    Publication Date: 2015-03-06
    Description: Goodyera subregularis (Rchb. f.) Schltr. from New Caledonia and Vanuatu is transferred to Anoectochilus. A non-peloric Anoectochilus, possibly the normal form of A. papuanus (Schltr.) Kittr., is recorded from New Guinea for the first time. Platylepis bombus J.J. Sm. and P. tidorensis J.J. Sm. are transferred to Moerenhoutia. The genus Tubilabium J.J. Sm. is reduced to Myrmechis Blume and the two species of the former are transferred. Cheirostylis quadrilobata Schltr. and C. chalmersii (Schltr.) Schltr. are also transferred to Myrmechis. The genus Myrmechis was not previously recorded from Sulawesi and New Guinea. Papuaea reticulata Schltr. is newly recorded from Irian Jaya; this monotypic genus is here illustrated for the first time. Odontochilus calcaratus Hook. f. is reduced to Pristiglottis uniflora (Blume) Cretz. & J.J. Sm.
    Repository Name: National Museum of Natural History, Netherlands
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  • 6
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    Revision of Agrostophyllum section Appendiculopsis (Orchidaceae), with notes on the systematics of Agrostophyllum (1997)
    In:  Orchid Monographs (0920-1998) vol.8 (1997) nr.1 p.1
    Details
    Publication Date: 2014-11-24
    Description: Section Appendiculopsis of the orchid genus Agrostophyllum is revised. Six taxa are recognized: Agrostophyllum elongatum, A. laterale, A. stipulatum subsp. stipulation and subsp. bicuspidatum, A. sumatranum and 1 A. trifidum. The status of a seventh taxon, A. ley tense, is uncertain. No new species are described here. Agrostophyllum celebicum Schltr. is reduced to A. stipulatum subsp. stipulatum, Poaephyllum hansenii J.J. Wood is reduced to A. laterale. The latter appears to be a strict rheophyte. All species are described and illustrated, and their phylogeny and ecology are discussed. The infrageneric classification and the systematic position of Agrostophyllum are reviewed.
    Repository Name: National Museum of Natural History, Netherlands
    Type: Article / Letter to the editor
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  • 7
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    Review (2001)
    In:  Blumea - Biodiversity, Evolution and Biogeography of Plants (0006-5196) vol.46 (2001) nr.3 p.456
    Details
    Publication Date: 2015-03-06
    Description: As stated in the preface, this book is intended as a textbook on orchid biology. Fifteen chapters treat a diverse array of topics, from physiology to ethnobotany. In spite of its title, Fundamentals of Orchid Biology contains much general information that is only indirectly related to the purported subject matter. The chapter on cytology, for example, contains little which cannot be found in any undergraduate textbook on cell biology. More than one page in this chapter is devoted to the microscope used by Robert Brown, about which we learn that “it was made by the English barometers manufacturer Robert Banks (who also spelled his name Bancks) before 1820, and its stage is engraved with the maker’s name and address –Banks 441 Strand London.” I quote this as a specimen of the irrelevant information (others might like to call it erudition) which is found on almost every page, perhaps the most irrelevant item being a photograph of the last wife of Mao Zedong on page 50.
    Repository Name: National Museum of Natural History, Netherlands
    Type: Article / Letter to the editor
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  • 8
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    Two orchid genera new to Sumatra (Orchidaceae) (1995)
    In:  Flora Malesiana Bulletin (0071-5778) vol.11 (1995) nr.6 p.399
    Details
    Publication Date: 2015-04-20
    Description: Species of the orchid genera Kuhlhasseltia and Orchipedum are recorded from Sumatra for the first time.
    Repository Name: National Museum of Natural History, Netherlands
    Type: Article / Letter to the editor
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  • 9
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    Nepenthes Vogelii (Nepenthaceae): a new species from Sarawak (2002)
    In:  Blumea - Biodiversity, Evolution and Biogeography of Plants (0006-5196) vol.47 (2002) nr.3 p.537
    Details
    Publication Date: 2015-03-06
    Description: Nepenthes vogelii Schuit. & de Vogel is described as a new species from Sarawak. It is compared with N. fusca Danser, from which it differs e.g. in the much smaller pitchers, of which the lid lacks appendages.
    Keywords: Nepenthes ; Sarawak ; carnivorous plants
    Repository Name: National Museum of Natural History, Netherlands
    Type: Article / Letter to the editor
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  • 10
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    Review (1998)
    In:  Blumea - Biodiversity, Evolution and Biogeography of Plants (0006-5196) vol.43 (1998) nr.1 p.218
    Details
    Publication Date: 2015-03-06
    Description: Judging from the title this would be a book for a distinctly limited audience. After all, only very few of the more than 430 South African orchid species are in general cultivation. For two reasons that judgement would be wrong. First, many South African orchids deserve to be much more widely cultivated. This book may be considered an excellent promotion for these beautiful but neglected species. Second, this book could well be described as an up-to-date guide to orchid growing, where the examples happen to be South African species. Especially valuable is the detailed information on cultivating terrestrial species. These are generally much more difficult to grow than the epiphytic ones, and most of the advice given here applies just as well to Australian and Mediterranean orchids. Propagating orchids by sowing is given extensive coverage, down to a blueprint for building your own laminar flow cabinet. All the information is very clearly represented, with many instructive photographs. The colour photographs are excellent, and the book is well-produced, although I personally dislike blank margins as wide as 5 cm, as they are here. This book is warmly recommended, not only to those who are attracted by the subject of the title, but to all who are seriously interested in cultivating and propagating terrestrial orchids.
    Repository Name: National Museum of Natural History, Netherlands
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