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Reinwardtia
Published by BRIN Publishing
ISSN : 0034365X     EISSN : 23378824     DOI : https://doi.org/10.55981/reinwardtia
Core Subject : Science,
Biochemistry, Genetics & Molecular Biology Immunology & microbiology
Reinwardtia is a peer-reviewed scientific journal dedicated to advancing the understanding of plant science, with a particular emphasis on three core areas: plant taxonomy, plant ecology, and ethnobotany. The journal serves as a vital platform for disseminating research that explores the classification, identification, and relationships of plant species (taxonomy), the interactions between plants and their environments (ecology), and the traditional knowledge and cultural significance of plants (ethnobotany). Reinwardtia places a strong focus on the flora of Southeast Asia, a region known for its rich biodiversity and complex ecosystems. It extends its coverage to neighboring regions, including the tropical areas of Northern Australia, providing insights into the plant life of these biologically diverse areas. The journal seeks to contribute to the global scientific community by publishing original research articles, reviews, and notes that deepen the understanding of plant species in these regions and their ecological and cultural contexts.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Tumbuhan
Articles 1,031 Documents
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THE DIVERSITY AND ABUNDANCE OF GROUND HERBS IN LOWLAND MIXED DIPTEROCARP FOREST AND HEATH FOREST IN BRUNEI DARUSSALAM Nurul Hazlina Zaini; Rahayu Sukmaria Sukri
Reinwardtia Vol. 14 No. 1 (2014)
Publisher : BRIN Publishing (Penerbit BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/reinwardtia.v14i1.397

Abstract

ZAINI, N. H. & SUKRI, R. S. 2014. The diversity and abundance of ground herbs in lowland mixed dipterocarp forest and heath forest in Brunei Darussalam. Reinwardtia 14(1): 73 – 78. ?Herbaceous plants are important components of total plant species richness in tropical forests. Ground herb diversity and abundance were studied in a lowland Mixed Dipterocarp forest (Andulau) and a heath forest (Bukit Sawat) in Brunei Darussalam, Borneo. At each site, all ground herbs in twenty randomly selected 10 x 10 m subplots within a one hectare permanent plot were censused and identified. The study recorded a total of 20 families and 32 genera of ground herbs, with the family Zingiberaceae as the most abundant at both sites. Thirteen genera were recorded only at Andulau and 7 genera were exclusive to Bukit Sawat, with twelve genera common to both sites. Ground herb species richness appear higher at Andulau than Bukit Sawat (37 vs. 29), but this difference was not statistically significant at the subplot level. However, ground herb abundance and density were significantly higher at Bukit Sawat than Andulau (n = 846 vs. 385; 4230 vs. 1925 individuals ha-1). The more open canopy at Bukit Sawat may provide higher light availability here than at Andulau, which is characterised by a closed canopy. We suggest that light availability is the most important environmental factor influencing ground herb density and abundance at these sites.
TRICHOMES MORPHOLOGY ON PETALS OF SOME ACANTHACEAE SPECIES Muhammad Amirul Aiman Ahmad Juhari; Noraini Talip; Che Nurul Aini; Mohamad Ruzi
Reinwardtia Vol. 14 No. 1 (2014)
Publisher : BRIN Publishing (Penerbit BRIN)

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

Abstract

A preliminary taxonomic study was carried out on seven Acanthaceae species namely as Andrographis paniculata,Pseuderanthemum graciliflorum,P. carruthersii, Asystasia gangetica ssp. micrantha, Ruellia repens, Justicia comata and J. betonica.The study was undertaken to investigate the morphology of trichomes present on the surfaces of flower petal. The variations found in this study are in their types and density. Based on observation, two forms of trichomes are present in all species studies which are glandular and non-glandular trichomes. There are seven types of trichomes found in this study. Trichomes types are shown to have systematic significance that can be used to differentiate and identify certain Acanthaceae species studied.
THE EFFECT OF LAND USE HISTORY ON NATURAL FOREST REHABILITATION AT CORRIDOR AREA OF GUNUNG HALIMUN SALAK NATIONAL PARK, WEST JAVA INDONESI Dian Rosleine; Eizi Suzuki; Atih Sundawiati; Wardi Septiana; Desy Ekawati
Reinwardtia Vol. 14 No. 1 (2014)
Publisher : BRIN Publishing (Penerbit BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/reinwardtia.v14i1.399

Abstract

Corridor area of Gunung Halimun Salak National Park was degraded and fragmented by human activities. However, little is known about recovery process in tropical degraded forest under different land use history. To clarifyvegetation structure and forest recovery related to land use history we placed 22 plots (11 of 10 x 10 m2 in abandoned plantation and 11 of 20 x 20 m2 in secondary forest, respectively). DCA (Detrended correspondence analysis) discriminated the plots into three community groups. Swieteniamacrophylla –Agathisdammaa community in abandoned plantation where had a land use history of clear felling.Maesopsiseminii–Cyathea spp. community had a history of severe human disturbance. Fagaceae-Schimawallichii was in less disturbed forest. Below the plantation canopy, light tolerant species, weeds, grasses, and fern of Dicranopteris linearis were dominant. Some exotic plants spread to the disturbed forest. The less disturbed forest in distant area from village remained in good condition as indicated by dominancy of old forest species. For the forest rehabilitation in severely degraded area, human intervention by planting native species can be suggested to avoid invasive species occupancy as well as accelerate forest recovery.
THE ETHNOBOTANY OF DUSUN PEOPLE IN TIKOLOD VILLAGE, TAMBUNAN DISTRICT, SABAH, MALAYSIA Julius Kulip
Reinwardtia Vol. 14 No. 1 (2014)
Publisher : BRIN Publishing (Penerbit BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/reinwardtia.v14i1.400

Abstract

The ethnobotanical studies of the Dusun people in Tikolod village, Tambunan district, Sabah, Malaysia were conducted from July 25th to 30th, 2011 and from March 9th to 10th, 2012. The result shows that there were 160 species in 62 families of plants used. Among them, there were 83 species (in 36 families) of edible plants, 75 species (in 44 families) were medicines, 12 species (in nine families) were used for constructions and handicraft and eight species (in six families) were used for musical instruments and animal traps. There were 24 species of plants that have two or more uses. Of the total, 87 species or 54% were native or collected from the natural forest nearby and 73 species or 45% of these plants were exotic (introduced plants). The most commonly used of plant families were Poaceae (Gramineae) with 14 species, followed by Moraceae and Zingiberaceae, with eight species each and Arecaceae (Palmae), Cucurbitaceae, Euphorbiaceae, Rutaceae and Solanaceae, with seven species each.
ON THE EVOLUTION OF DIPODIUM R. BR. Peter O'byrne
Reinwardtia Vol. 14 No. 1 (2014)
Publisher : BRIN Publishing (Penerbit BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/reinwardtia.v14i1.402

Abstract

Dipodium R. Br. (Orchidaceae), a genus of ca. 38 species, should be divided into an Australasian clade and a Malesian clade, based on morphological and geographic evidences. Dipodium section Dipodium and section Leopardanthus (Blume) O. Kuntze are re-defined to accommodate this change. An evolutionary scenario that explains this division is proposed. The lack of diversity of floral structure in the genus is probably caused by pollinator-specificity, while the diversity of plant form may be due to long-term environmental factors. An evolutionary explanation is suggested for the complex between Dipodium fevrellii J. J. Sm. and the hybrid D. pandanum Bailey in New Guinea. The complex in Java involving D. pictum (Lindl.) Rchb. f. and D. scandens (Bl.) J. J.Sm. is discussed, and the presence of a hybrid noted.In Borneo, the complex taxonomic situation caused by repeated inter-breeding of populations is noted.
NEW CYTOTYPES OF PTERIS ENSIFORMIS VAR. VICTORIAE FROM INDONESIA Muhammad Efendi; Tatik Chikmawati; Dedy Darnaedi
Reinwardtia Vol. 14 No. 1 (2014)
Publisher : BRIN Publishing (Penerbit BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/reinwardtia.v14i1.404

Abstract

New cytotypes of Pteris ensiformis var. victoriae and one cytotype of var. ensiformis are recorded from Indonesia: var. victoriae with 2n=58 (sexual diploid) from Gorontalo, North Sulawesi, and 2n=87 (triploid) from Lombok Island and Bogor, West Java; and var. ensiformis with 2n=116 (sexual tetraploid). The diploid is smaller than the triploid in plant size. Results indicate a cytological variation in var. victoriae, like in var. ensiformis.
CONTRIBUTION OF THE HEART OF BORNEO (HoB) INITIATIVE TOWARDS BOTANICAL EXPLORATION IN SABAH, MALAYSIA Suzana Sabran; Reuben Nilus; Joan T. Pereira; Joan Baptist Sugau; Frederick Kugan
Reinwardtia Vol. 14 No. 1 (2014)
Publisher : BRIN Publishing (Penerbit BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/reinwardtia.v14i1.406

Abstract

The Heart of Borneo (HoB) declaration is a conservation agreement initiated by WWF and signed by three countries, i.e., Brunei Darussalam, Indonesia and Malaysia in Bali, Indonesia on 12th February 2007 to protect more than 23 million hectares of forested region on Borneo Island. These forested areas could be well protected when conservation management plan is in place. One of the crucial activities to facilitate the planning and formulation of conservation plan is to conduct scientific expeditions that include botanical exploration. The primary objective of the expedition is to identify the key conservation targets within the forest reserves. For the past five years, several expeditions have been conducted by the Sabah Forestry Department under the auspices of the HoB project to explore various forest reserves with conservation issues within the Heart of Borneo area. This paper will present the findings which include plant richness, endemism and plant conservation status in each forest reserves that has been explored.
MOLECULAR PHYLOGENY OF MAIDENHAIR FERN GENUS ADIANTUM (PTERIDACEAE) FROM LESSER SUNDA ISLANDS INDONESIA BASED ON RBCL AND TRNL-F Wenni Setyo Lestari; Bayu Adjie; Tassanai Jaruwatanaphan; Yasuyuki Watano; Made Pharmawati
Reinwardtia Vol. 14 No. 1 (2014)
Publisher : BRIN Publishing (Penerbit BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/reinwardtia.v14i1.409

Abstract

The Lesser Sunda Islands of Indonesia are composed of small islands scattered from Bali to Timor Island. We analyzed a molecular phylogeny of Adiantum collected from Lesser Sunda Islands to reveal its phylogenetic relationships. A total of 12 species of Adiantum from this region and seven species from Java Island were collected and used in this study. Two cpDNA regions (rbcL and trnL-F) were chosen as markers and phylogenetic analyses were conducted using Neighbour-Joining (NJ) and Maximum Parsimony (MP) methods. The tree topologies reconstructed by NJ and MP from specimens used in this study and other species downloaded from GenBank are congruent in which trees are divided into five major clades. Adiantum species of Lesser Sunda Islands are not monophyletic and comprises three clades, i. e. Clade I composed of A. hispidulum group, Clade III composed of A. peruvianum group and Clade IV or A. caudatum group, each together with extra-Lesser Sunda samples. No sample from Lesser Sunda Islands examined is located in Clade II (A. tenerum group) and V (A. capillus-veneris group).
FLORISTIC STUDY OF MEKONGGA PROTECTED FOREST: TOWARDS ESTABLISHMENT OF THE MEKONGGA NATIONAL PARK Elizabeth Anita Widjaja; Daniel Potter
Reinwardtia Vol. 14 No. 1 (2014)
Publisher : BRIN Publishing (Penerbit BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/reinwardtia.v14i1.411

Abstract

Mekongga is one of the highest mountains in Southeast Sulawesi. The Mekongga region was declared as protected forest in 1994, after logging had been done in this area. A floristic study of this forest was conducted from 2009 through 2011 by visiting the area twice a year, once each during the dry and wet seasons, and collecting specimens from the flowering and fruiting plants. Other species were also recorded, but most of them cannot be identified because the plants were too young or were not in flower or fruit at the time of collection. Specimens of 855 species in 155 families were collected, of which 5% (44 species) are endemic to Sulawesi and 11% (91 species) are introduced species from China, South America, India, or even Madagascar. In addition, new records for Sulawesi were collected from Mekongga for species originally recorded from Java (50 species), Malaysia (35 species), the Philippines (28 species), New Guinea (14 species), Sumatera (13 species), Borneo (11 species), Moluccas (4 species), and the Lesser Sunda Islands (3 species). Based on these data, it seems that species have mostly migrated to Mekongga from Java, then from Malaysia and the Philippines. More than 10 new species are proposed from this area, including a bamboo (Poaceae) and members of the families Orchidaceae, Gesneriaceae, Melastomataceae, Myrtaceae, and Araliaceae. Further study of the floristic account will be done, which can be used as baseline data in support of an important proposal to designate the Mekongga area as a national park.
COMPARATIVE LEAVES ANATOMY OF PANDANUS, FREYCINETIA AND SARARANGA (PANDANACEAE) AND THEIR DIAGNOSTIC VALUE Yessi Santika; Eka Fatmawati Tihurua; Teguh Triono
Reinwardtia Vol. 14 No. 1 (2014)
Publisher : BRIN Publishing (Penerbit BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/reinwardtia.v14i1.412

Abstract

Study in leaves anatomy of twenty nine samples of the species classified under Pandanus, Freycinetia and Sararanga of Pandanaceae had been undertaken to unravel generic relationship among of these taxa with a view to provide a set of diagnostic characters for taxonomic identification. The fourth genus of Pandanaceae, Benstonea is not included in this analysis since there are no representative samples. Four anatomical diagnostic characters had been identified at the generic level such as present and absent of papillae, stomatal arrangement types, present and absent of bundle sheath extension and hypodermal thickness and its shape. Pandanus has papillae, amphistomatous stomata, bundle sheath extension present and hypodermis thin and rectangular; Freycinetia lacked of papillae, stomata hypostomatous or amphistomatous, bundle sheath extension absent and hypodermis thick and hexagonal or rounded; meanwhile Sararanga has no papillae, stomata amphistomatous, bundle sheath extension absent and hypodermis thin and flatten. An identification key to those genera based on anatomical diagnostic characters is provided.

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