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All Journal REINWARDTIA Reinwardtia
D. F. VAN SLOOTEN
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Biochemistry, Genetics & Molecular Biology Education Immunology & microbiology

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Journal : Reinwardtia

 1 
SERTULUM DIPTEROCARPACEARUM MALAYENSIUM-VI D. F. VAN SLOOTEN
REINWARDTIA Vol 3, No 3 (1956): vol.3 no.3
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/reinwardtia.1956.985

Abstract

The genus Balanocarpus has been regarded as distinct by reason of its calyx lobes, which do not exceed the wooden nut but which enclose the very base of it,forming a five-lobed wooden cup by the equally though slightly enlarged strongly imbricate segments of the flowering calyx.Symington has called particular attention to the fact that it seemed to lack natural generic characters,viz.satisfactory and sharply marked distinctions from other groups, as was already superficially realised by his predecessorsIn agreement with earlier suggestions by Symington, Balanocarpus is.given up,it being an artificial genus.Many of its species are referable to Shorea.Of the latter,12 species are treated,7 of which are described as new.Editor's Note.-Dr D. F. van Slooten was steadily continuing his revision of the Dipterocarpaceae when his untimely death put a stop to this most useful and painstaking task. During the last few years of his life I had the privilege to be consulted by Dr van Slooten regarding certain aspects of his work and this has made me somewhat familiar with the present paper and some of its problems. As this valuable contribution was not yet ready for the press, I ventured to put it into a definite shape to make it available rather than to leave it unpublished. Therefore, the errors that it may contain are wholly my own responsibility.-M. A. Donk.
SERTULUM DIPTEROCARPACEARUM MALAYENSIUM-”V* D. F. VAN SLOOTEN
REINWARDTIA Vol 2, No 1 (1952): vol.2 no.1
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/reinwardtia.1952.1015

Abstract

Some 70 years ago Thiselton Dyer showed Dipterocarpaceae from New Guinea to the Linnean Society of London. This event is referred to in the "Journal of Botany"1"Mr Tbiselton Dyer exhibited the Dipterocarpaceae collected by Beccari on his visit to New Guinea in 1872. These were only three in number, an extremely poor result compared with the extraordinary abundance and variety in the forms belonging to this family previously collected by the same botanist in the adjacent island of Borneo, . . The Dipterocarpaceae being, perhaps, the most characteristic family of the IndoMalayan Flora,the poverty of its representation in New Guinea was a conclusive proof that its vegetation was not a markedly Malayan type."
SERTULUM DIPTEROCARPACEARUM MALAYENSIUM-VII D. F. VAN SLOOTEN
REINWARDTIA Vol 5, No 4 (1961): vol.5 no.4
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/reinwardtia.1961.208

Abstract

Critical notes, emended descriptions, and considerations on synonymy have been given of 8 species of Dipterocarpus, 1 of Dryobalanops, 1 of Parashorea, and 2 of Vatica. Vatica imbricata. van Slooten is referred to Kayea (Guttiferae). Three species of Dipterocarpus have been described as new, viz D. sarawakensis and D. tempehes from Borneo and D. ursinus from Sumatra. There is one new combination, Hopea forbesii (Brandis) Van Slooten, based on Shorea forbesii Brandis.
SERTULUM DIPTEROCARPACEARUM MALAYENSIUM-VI D. F. VAN SLOOTEN
Reinwardtia Vol. 3 No. 3 (1956)
Publisher : BRIN Publishing (Penerbit BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

The genus Balanocarpus has been regarded as distinct by reason of its calyx lobes, which do not exceed the wooden nut but which enclose the very base of it,forming a five-lobed wooden cup by the equally though slightly enlarged strongly imbricate segments of the flowering calyx.Symington has called particular attention to the fact that it seemed to lack natural generic characters,viz.satisfactory and sharply marked distinctions from other groups, as was already superficially realised by his predecessorsIn agreement with earlier suggestions by Symington, Balanocarpus is.given up,it being an artificial genus.Many of its species are referable to Shorea.Of the latter,12 species are treated,7 of which are described as new.Editor's Note.-Dr D. F. van Slooten was steadily continuing his revision of the Dipterocarpaceae when his untimely death put a stop to this most useful and painstaking task. During the last few years of his life I had the privilege to be consulted by Dr van Slooten regarding certain aspects of his work and this has made me somewhat familiar with the present paper and some of its problems. As this valuable contribution was not yet ready for the press, I ventured to put it into a definite shape to make it available rather than to leave it unpublished. Therefore, the errors that it may contain are wholly my own responsibility.-M. A. Donk.
SERTULUM DIPTEROCARPACEARUM MALAYENSIUM-VII D. F. VAN SLOOTEN
Reinwardtia Vol. 5 No. 4 (1961)
Publisher : BRIN Publishing (Penerbit BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Critical notes, emended descriptions, and considerations on synonymy have been given of 8 species of Dipterocarpus, 1 of Dryobalanops, 1 of Parashorea, and 2 of Vatica. Vatica imbricata. van Slooten is referred to Kayea (Guttiferae). Three species of Dipterocarpus have been described as new, viz D. sarawakensis and D. tempehes from Borneo and D. ursinus from Sumatra. There is one new combination, Hopea forbesii (Brandis) Van Slooten, based on Shorea forbesii Brandis.
SERTULUM DIPTEROCARPACEARUM MALAYENSIUM-”V* D. F. VAN SLOOTEN
Reinwardtia Vol. 2 No. 1 (1952)
Publisher : BRIN Publishing (Penerbit BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Some 70 years ago Thiselton Dyer showed Dipterocarpaceae from New Guinea to the Linnean Society of London. This event is referred to in the "Journal of Botany"1"Mr Tbiselton Dyer exhibited the Dipterocarpaceae collected by Beccari on his visit to New Guinea in 1872. These were only three in number, an extremely poor result compared with the extraordinary abundance and variety in the forms belonging to this family previously collected by the same botanist in the adjacent island of Borneo, . . The Dipterocarpaceae being, perhaps, the most characteristic family of the IndoMalayan Flora,the poverty of its representation in New Guinea was a conclusive proof that its vegetation was not a markedly Malayan type.
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