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INDONESIA
REINWARDTIA
Published by Lembaga Ilmu Pengetahuan Indonesia
ISSN : -     EISSN : -     DOI : -
Core Subject : Education,
Education
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Articles 7 Documents
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Search results for , issue "Vol. 20 No. 1 (2021)" : 7 Documents clear
THE CALAMUS JAVENSIS (ARECACEAE: CALAMOIDEAE) COMPLEX IN HISTORICAL BIOGEOGRAPHIC CONTEXT Mega Atria; Peter C van Welzen
Reinwardtia Vol. 20 No. 1 (2021)
Publisher : BRIN Publishing (Penerbit BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/reinwardtia.v20i1.4068

Abstract

ATRIA, M. & VAN WELZEN, P. C. 2021. The Calamus javensis (Arecaceae: Calamoideae) complex in historical biogeographic context. Reinwardtia 20(1): 1−7. — Calamus javensis is a very polymorphic species with a number of recognisable forms (of which several were once even recognized at species level). A historical biogeographic analysis showed no historical distribution pattern in the diversification of these various forms. The forms are very likely the result of adaptation to local circumstances, whereby more or less identical forms can develop under similar niche circumstances in disjunct areas, exceptions are the ‘acuminatus-polyphyllus’ form and C. tenompokensis that are recognisable and present in a non-disjunct area.
AN UPDATED SYNOPSIS OF LUDWIGIA (ONAGRACEAE) IN MALESIA Ian Turner
Reinwardtia Vol. 20 No. 1 (2021)
Publisher : BRIN Publishing (Penerbit BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/reinwardtia.v20i1.4022

Abstract

TURNER, I. M. 2021. An updated synopsis of Ludwigia (Onagraceae) in Malesia. Reinwardtia 20(1): 9–16. — A synopsis of the seven native or naturalised species of Ludwigia (Onagraceae) occurring in Malesia is presented. The newly established Ludwigia leptocarpa is included. The paper incorporates a key to the species, synonymy and typification. Lectotypes are designated for 25 names, including five at the second step.
A NEW SPECIES OF NEPENTHES (NEPENTHACEAE) AND ITS NATURAL HYBRIDS FROM ACEH, SUMATRA, INDONESIA Malcolm Victoriano
Reinwardtia Vol. 20 No. 1 (2021)
Publisher : BRIN Publishing (Penerbit BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/reinwardtia.v20i1.3932

Abstract

VICTORIANO, M. 2021. A new species of Nepenthes (Nepenthaceae) and its natural hybrids from Aceh, Sumatra, Indonesia. Reinwardtia 20(1): 17–26. — A new species of Nepenthes (Nepenthaceae) from Aceh Province, Indonesia, Nepenthes longiptera Victoriano is herein described and illustrated. The species is unique among all other Nepenthes in Sumatra by the presence of wings on its upper pitchers. Comprehensive description, photographs, geographical distribution and preliminary IUCN conservation assessment are provided for the new species. Hybrids of this new taxon with other species are also reported in this paper.
DIVERSITY AND PHENETIC STUDY ON SYCONIUM OF FICUS L. (MORACEAE) FROM KERALA, INDIA REVEALING NATURAL CLASSIFICATION ALONG WITH AN IDENTIFICATION KEY Sreehari S Nair; K.H. Amitha Bachan; P.J. Ebin
Reinwardtia Vol. 20 No. 1 (2021)
Publisher : BRIN Publishing (Penerbit BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/reinwardtia.v20i1.4031

Abstract

NAIR, S. S., BACHAN, K. H. A. & EBIN, P. J. 2021. Diversity and phenetic study on syconium of Ficus L. (Moraceae) from Kerala, India revealing natural classification along with an identification key. Reinwardtia 20(1): 27–36. — Ficus L. commonly called ‘figs’ is one of the most complex genera among the angiosperms with its specialised inflorescence called syconium that looks like a fruit. Syconium of 33 species of Ficus reported from Kerala were observed here to develop a novel key, solely based on syconium morphology. Numerical taxonomic methodology for syconium morphological characters were standardised, considering 22 characters with 104 character states and analysed using similarity clustering. The floral features of the genus are very much complex and all the existing keys for the species identification relays on both vegetative as well as floral features. Hence, the present key will be practical in use when syconium is the only available part. The numerical analysis of the syconium features well clustered and separated the trees with cauliflorous inflorescence, hemi epiphytic -epiphytic life forms and independent trees similar to the natural classification of the figs as “Atthi, Itthi and Aal”, indicating that phenetic analysis using the syconium characters alone provided a grouping similar to the natural grouping based on the habit. Preliminary phylogenetic analysis of figs also provided a similar clustering. This gives an insight into the fact that the separation of figs into these natural groups is reflecting phylogenetic trait. Detailed studies including more morphological traits and molecular analysis could establish the phylogenetic relation of figs in relation to the evolutionary history of climate and vegetation.
BEGONIA ROBII, A NEW SPECIES OF BEGONIA FROM LIMA PULUH KOTA, WEST SUMATRA Wisnu Handoyo Ardi; Deden Girmansyah; Mark Hughes
Reinwardtia Vol. 20 No. 1 (2021)
Publisher : BRIN Publishing (Penerbit BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/reinwardtia.v20i1.4141

Abstract

ARDI. W.H., GIRMANSYAH, D. & HUGHES, M. 2021. Begonia robii, a new species of Begonia from Lima Puluh Kota, West Sumatra. Reinwardtia 20(1): 37–41. — A new species of Begonia sect. Jackia (Begoniaceae), B. robii Ardi & Girm., is described from West Sumatra and is a limestone karst endemic in the Tanah Datar dan Lima Puluh Kota Regency. Its provisional IUCN threatened category is considered to be Endangered.
Front Cover Reinwardtia Vol. 20, No 1 (2021) Editor
Reinwardtia Vol. 20 No. 1 (2021)
Publisher : BRIN Publishing (Penerbit BRIN)

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Preface Reinwardtia Vol. 20, No 1 (2021) Editor
Reinwardtia Vol. 20 No. 1 (2021)
Publisher : BRIN Publishing (Penerbit BRIN)

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