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INDONESIA
REINWARDTIA
Published by Lembaga Ilmu Pengetahuan Indonesia
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Articles 1,467 Documents
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RATTAN DIVERSITY AND BROAD EDAPHIC NICHES IN A TROPICAL RAINFOREST OF BUTON, SULAWESI, INDONESIA ROSIE PRITCHETT; AURORA PHILLIPS; ANI MARDIASTUTI; ANDREW POWLING
REINWARDTIA Vol 15, No 2 (2016): Vol.15 No.2
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/reinwardtia.v15i2.2943

Abstract

PRITCHETT, R., PHILLIPS, A., MARDIASTUTI, A. & POWLING, A. 2016. Rattan diversity and broad edaphic niches in a tropical rainforest of Buton, Sulawesi, Indonesia. Reinwardtia 15(2): 99 – 110. — This paper attempts to answer the question: how can at least 20 species of rattan palms in the genus Calamus (family Palmae (Arecaceae)) co -exist in a rainforest? A survey of rattans was made in Lambusango Forest on Buton, an island close to south east Sulawesi, in Indonesia. Rattan species and numbers were recorded in 87 quadrats of 30 × 10 m, laid out along linear transects in habitats with a variety of soils. Evidence for edaphic (soil) niches was sought. Different rattan species were found to be adapted to soils with different conductivity and pH values. Standardised mean difference (d) scores were calculated for pairs of species based on their response to soil pH. Of the 66 pairs tested, 61 were found to be significantly different statistically. Such differences suggest, but do not prove, that many species occupy different edaphic niches. It was found that species which show a preference for soils with intermediate pH values (5.0 to 6.5) can grow in soils with a wide range of pH values, implying broad edaphic niches and that competition between these species is weak. Correspondence analysis shows that many species do not distinguish greatly between many soils with intermediate pH values. It is concluded that rattan species show evidence for having different edaphic niches, although the niches for many species are broad. It is speculated that many rattan species may be ecologically equivalent and that a weak version of ecological neutrality theory may apply.
THE GENUS CYNOMETRA (LEGUMINOSAE) IN CEYLON a. j. g. h. kostermans
REINWARDTIA Vol 10, No 1 (1982): vol. 10 No.1
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/reinwardtia.v10i1.254

Abstract

In Ceylon 2 species of Cynometra occur, the wide spread C. iripa of the mangroves, which was enumerated as Cynometra ramiflora var. heterophylla by Thwaites and wrongly included in C. ramiflora by Knaap-van Meeuwen and the new species C. zeylanica Kosterm., formerly thought to be the Malesian C. ramiflora. The latter, as defined by Prain and based on a Rumphian plate, does not occur in Ceylon. Cultivated is the Malesian C. cauliflora with a white- and a pink-flowered forms.
THE FLABELLATE-LEAVED SPECIES OF SALACCA (PALMAE) JOHANIS P. MOGEA
REINWARDTIA Vol 9, No 4 (1980): vol.9 no.4
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/reinwardtia.v9i4.927

Abstract

Salacca dransfieldiana Mogea,S. magnifica Mogea and S. sarawak ensis Mogea are proposed as new species of flabellate-leaved Salacca.A key to the four recognized species, descriptions and illustrations are presented.
TWO NEW SPECIES OF ALPINIA (ZINGIBERACEAE) FROM SULAWESI, INDONESIA WISNU H. ARDI; MARLINA ARDIYANI
REINWARDTIA Vol 14, No 2 (2015): Vol.14 No.2
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/reinwardtia.v14i2.1677

Abstract

ARDI, W. H. & ARDIYANI, M. 2015. Two new species of Alpinia (Zingiberaceae) from Sulawesi, Indonesia. Reinwardtia 14(2): 311 - 316. - Two new species of Alpinia section Alpinia subsection Cenolophon, Alpinia macrocrista Ardiyani & Ardi, and Alpinia pusilla Ardi & Ardiyani, from Sulawesi, Indonesia, are described. Colour plates are provided, and four-locus DNA barcodes have been generated for the purpose of identification. Tabulated key to species of Alpinia subsection Cenolophon in Sulawesi is also presented.
THE GENUS BURRETIODENDRON* Rehder (Tiliaceae) AJGH Kostermans
REINWARDTIA Vol 6, No 1 (1961): vol.6 no. 1
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/reinwardtia.v6i1.210

Abstract

Seven species of Burretwdendron are recognized,of which B.siamensis and B.yunnanensis are new to science.The distributional area of the genus covers Siam (one species), Yunnan (two species),Kweichow (one species);Kwangsi (three species)and Tonkin (two species).B. tonkinensis is reduced to the synonymy of B.hsienmu. A key to the species is presented.
A MONOGRAPH OF THE GENUS NEOCINNAMOMUM LIOU HO A. J. G. H. KOSTERMANS
REINWARDTIA Vol 9, No 1 (1974): Vol.9 no.1
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/reinwardtia.v9i1.894

Abstract

The Asiatic Genus Neocinamomum comprises 6 species, of which N. atjehense is described here for the first time. cinnamomum fargesii Lee.is moved to Neocinnamomum,N. willsonii Allen is considered to be conspeeific with it. N. delavayi var.Mekongense hand.Mazz is raised to specific rank. N. hainanianum Allen is reduced to N.lecomtei.Excluded from the genus is N.confertiflorum, which is moved to Litsea.
FURTHER NOTES ON THE FERN-GENUS HETEROGONIUM PRESL R. E. HOLTTUM
REINWARDTIA Vol 1, No 1 (1950): vol.1 no.1
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/reinwardtia.v1i1.1035

Abstract

In the "Sarawak Museum Journal," volume V (1949), pages 156-166,I gave a revised account of the genus Heterogonium Presl, based on specimens in the Singapore herbarium.Dr M. A.Donk wrote subsequently pointing out that specimens at Bogor (Buitenzorg) add materially to the information contained in that paper.The present paper gives the result of a study of the Bogor specimens.I am glad to express my gratitude to Dr Donk for calling my attention to species which I had overlooked when searching literature on Malaysian ferns for indications of affinity to Heterogonium. The Bogor material includes the type specimens of Acrostichum teysmannianum Bak.,Phegopteris schizoloma v. A. v. R. Dryopteris sagenoides forma contracta v. A. v. R.,Polybotrya nieuwenhuisii Racib.and Polybotrya nieuwenhuisii var. brooksii v. A. v. R.,also many sheets of H. giganteum, and material of H.sagenoides from a wider geographic range than I had previously seen.Summarizing the results of the present paper,I have united H.nieuwenhuisii and H. stenosemioides of my former paper,and have also united H.saxicola with H. giganteum.Further, I now recognize a second exindusiate species allied to H.sagenoides; but the variation in pubescence among exindusiate specimens, as within the species H.sagenoides proper,is very considerable,and I find it very difficult to draw specific limits. It is likely that there are local races, but much more field work in many localities is necessary before one can speak with certainty about this or define their status taxonomically. One interesting fact is that no exindusiate specimens of this alliance have been found in the Malay Peninsula, whereas Peninsular collections of indusiate H. sagenoides are more abundant than from any other area.It is especially the variation in pubescence among specimens of H.sagenoides,and the lack of clear-cut varieties or subspecies within the Malay Peninsula, that deters me from distinguishing more species outside the Peninsula, based on few specimens.Another generalization based on many specimens is that fertile fronds are always much less hairy on the lower surface than sterile fronds of the same plant.As regards another kind of character, namely venation,I have noted that fronds of immature plants may not show the low
A REVISION OF MALESIAN ISACHNE SECT. ISACHNE (GRAMINEAE, PANICOIDEAE, ISACHNEAE) Eka AP Iskandar; Jan Frits Veldkamp
REINWARDTIA Vol 12, No 2 (2004): Vol. 12, No. 2
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/reinwardtia.v12i2.64

Abstract

ISKANDAR, E.A.P. & VELDKAMP, J.F. 2004. A revision of Malesian Isachne sect. Isachne (Gramineae, Panicoideae, Isachneae). Reinwardtia 12 (2): 159 – 179. – There are ca. 23 species of Isachne in Malesia of which the seven belonging to sect. Isachne are treated here. Isachne miliacea Roth has been misapplied to I. minutula (Gaudich.) Kunth, as its type belongs to I. globosa (Thunb.) Kuntze. Isachne pulchella Roth is the correct name for I. dispar Trin.
FLORA OF SINGAPORE PRECURSORS, 2. A NEW SPECIES AND TWO NEW COMBINATIONS IN PSYDRAX (RUBIACEAE: VANGUERIEAE) FOR WEST MALESIA Wong Khoon Meng; Ridha Mahyuni
REINWARDTIA Vol 17, No 1 (2018): Vol.17 No.1
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/reinwardtia.v17i1.3562

Abstract

WONG, K. M. & MAHYUNI, R. 2018. Flora of Singapore Precursors, 2. A new species and two new combinations in Psydrax (Rubiaceae: Vanguerieae) for West Malesia. Reinwardtia 17(1): 77–84. — Studies in Psydrax Gaertn. for the Flora of Singapore and the Malesian floristic region have revealed that three taxa required the description of a new species and two new combinations. Psydrax undulatifolius K.M.Wong & Mahyuni is newly described as a species thus far recorded only for the Malay Peninsula, whereas Psydrax approximatus (Korth.) Mahyuni & K.M.Wong and Psydrax lucidulus (Miq.) Mahyuni & K.M.Wong are newly combined from Canthium approximatum Korth. and Vangueria lucidula Miq., both distributed in Sumatra, the Malay Peninsula and Borneo.
OBSERVATIONS ON SOME SPECIES OF THE ORCHID GENUS RENANTHERA LOUREIRO UWAY WARSTTA MAHYAR
REINWARDTIA Vol 10, No 4 (1988): vol. 10 No.4
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/reinwardtia.v10i4.277

Abstract

A partial revision of Renanthera based on specimens preserved in Herbarium Bogoriense,Rijksherbarium Leiden and living collections maintained in Bogor Botanic Gardens is carried out.Nine species are treated including the newly proposed variety R.coccinea var, holltumii.Complete descriptions and illustrations as well as key to species and varieties treated are presented.R.sarcanthoides is excluded from Renanthera and transfered to Porphyrodesme

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