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REINWARDTIA
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Articles 872 Documents
TREE SPECIES DIVERSITY, STRUCTURAL CHARACTERISTICS AND CARBON STOCK IN A ONE-HECTARE PLOT OF THE PROTECTION FOREST AREA IN WEST LAMPUNG REGENCY, INDONESIA Heriyanto, Nur Muhammad; Samsoedin, Ismayadi; Kartawinata, Kuswata
REINWARDTIA Vol 18, No 1 (2019): Vol.18 No.1
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1587.2 KB) | DOI: 10.14203/reinwardtia.v18i1.3574

Abstract

HERIYANTO, N. M.,  SAMSOEDIN,  I. & KARTAWINATA, K. 2018. Tree species diversity, structural characteristics and carbon stock in a one-hectare plot of the protection forest area in West Lampung Regency, Indonesia. Reinwardtia 18(1): 1‒18. — A study of species composition, structure and carbon stock in the lower montane forest in the Register 45B of  the protection forest area  in the Tri Budi Syukur  District, Kebun Tebu Village, West Lampung Regency, Lampung Province was conducted in September 2016. The objective of the study was to undertake quantified measurements of floristic composition and structure of and carbon storage in the lower montane forest at 965 m asl in the protection forest area.  A one hectare plot (100 m × 100 m) was established   randomly. The plot was further divided into 25 subplots of 20 m × 20 m each to record trees. Quadrats of 5 m × 5 m for saplings and subquadrats of 2 m × 2 m for seedlings were nested in the tree subplots. We recorded  247 trees with diameter at breast height ≥ 10 cm representing 25 species and 19 families, with a total basal area of 59.14 m2. Overall including seedlings and saplings we recorded 31 species.  The species richness was very low due to disturbances, and was the lowest compared to that of other forests in Sumatra, Kalimantan and Java. The dominant species in terms of importance values (IV) were Litsea cf. fulva (IV=77.02), Lithocarpus reinwardtii (IV=45.21) and Altingia excelsa (IV=26.95). Dominant species in seedling and sapling stages were Polyalthia lateriflora (IV=27.54) and Memecylon multiflorum (IV=41.58).  Biomass and carbon stock of trees with DBH ≥ 10 cm was 50.87 ton/ha and 25.43 ton C/ha, respectively. Regeneration was poor. Structurally and floristically the forest was a developing disturbed forest and the composition  will remain unchanged in many years to come. The successions leading to terminal communities similar to the original conditions would be very slow and should be assisted and enhanced by applying ecological restoration through planting tree species native to the site.   
HOYA DECIPULAE (APOCYNACEAE, ASCLEPIADOIDEAE), A NEW SPECIES FROM SUMATRA Rahayu, Sri; Astuti, Inggit Puji
REINWARDTIA Vol 18, No 1 (2019): Vol.18 No.1
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2489.225 KB) | DOI: 10.14203/reinwardtia.v18i1.3566

Abstract

RAHAYU, S. &  ASTUTI, I. P. 2018.  Hoya decipulae (Apocynaceae, Asclepiadoideae), a new species from Sumatra, Indonesia. Reinwardtia 18(1): 61‒67. ‒‒ The new Hoya species from Sumatra, Hoya decipulae S.Rahayu & Astuti is here described and illustrated. It is an epiphytic shrub, thin-leaved with white flowers, similar to those of H. papaschonii Rodda, but differs in corolla and corona form.  Its corolla has a unique characteristic of forming a “cage” before fully opening, as a result of the attachment of the five corolla tips which are free at the centre. The corona does not have interstaminal lobes as in Hoya papaschonii.  Its corona resembles that of H. multiflora Blume and H. irisae Ferreras, Kloppenburg & Tandang from the centre to the tip but differs at the base.    
RHODODENDRON WIDJAJAE (ERICACEAE, SECTION SCHISTANTHE) A NEW SPECIES FROM SULAWESI Argent, George; Mambrasar, Yasper Michael
REINWARDTIA Vol 18, No 1 (2019): Vol.18 No.1
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2774.178 KB) | DOI: 10.14203/reinwardtia.v18i1.3700

Abstract

ARGENT, G. & MAMBRASAR, Y. M. 2019.  Rhododendron widjajae (Ericaceae, section Schistanthe) a new species from Sulawesi. Reinwardtia 18(1): 27‒30. — A new species of Rhododendron section Schistanthe (= subgenus Vireya) is described, Rhododendron widjajae Argent & Mambrasar. It is compared with the two most similar species and the differences demonstrated.  
A NEW SPECIES OF BEGONIA (BEGONIACEAE) FROM SOUTH SULAWESI, INDONESIA, AND AN AUGMENTED DESCRIPTION OF BEGONIA BONTHAINENSIS Ardi, Wisnu Handoyo; Thomas, Daniel C.
REINWARDTIA Vol 18, No 1 (2019): Vol.18 No.1
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2491.283 KB) | DOI: 10.14203/reinwardtia.v18i1.3691

Abstract

ARDI, W. H . & THOMAS, D. C. 2018. A new species of Begonia (Begoniaceae) from South Sulawesi, Indonesia, and an augmented description of Begonia bonthainensis. Reinwardtia 18(1): 19−26. — Based on collections from South Sulawesi, Indonesia, an amended description of B. bonthainensis Hemsl. is provided, B. grandipetala  Irmsch is placed in synonymy of B. bonthainensis, and the new species Begonia mattampensis Ardi & D.C.Thomas is described and illustrated. Provisional conservation assessments indicate an Endangered (EN) status for B. bonthainensis, an endemic of Mt. Lompobatang and several adjacent mountains at the tip of the Southwestern arm of Sulawesi, and a Critically Endangered (CR) status for Begonia mattampensis, a limestone endemic only known from the Pangkadjene Karst.     
LECTOTYPIFICATION AND AMENDED DESCRIPTION OF PHYLLANTHUS (PHYLLANTHACEAE) SPECIES DESCRIBED BY KOORDERS FROM SULAWESI, INDONESIA Bouman, Roderick W; Ke?ler, Paul J.A.; Welzen, Peter C. van
REINWARDTIA Vol 18, No 2 (2019): Vol.18 No.2
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/reinwardtia.v18i2.3781

Abstract

BOUMAN, R. W., KEßLER, P. J. A. & VAN WELZEN, P. C. 2019. Lectotypification and amended description of Phyllanthus (Phyllanthaceae) species described by Koorders from Sulawesi, Indonesia. Reinwardtia 18(2): 97?103. ? Two species of Phyllanthus collected and described by Koorders during his travels on the island of Sulawesi (Indonesia) are lectotypified, descriptions amended and their taxonomic affinity is discussed. Phyllanthus mindorensis was found to be too similar to P. celebicus and is placed in the synonymy of the latter. A key is provided to the species of Phyllanthus on Sulawesi.
TRICHODESMA KUMAREUM (BORAGINACEAE), A NEW SPECIES FROM NORTH EAST INDIA Yumkham, Sanatombi Devi; Devi, Naorem Premita; Khomdram, Sandhyarani Devi; Devi, Mayanglambam Roma
REINWARDTIA Vol 18, No 2 (2019): Vol.18 No.2
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/reinwardtia.v18i2.3782

Abstract

YUMKHAM, S. D., DEVI, N. P., KHOMDRAM, S. D. & DEVI, M. R. 2 019. Trichodesma kumareum (Boraginaceae), a new species from North East India. Reinwardtia 18(2): 105?113. ? A new species, Trichodesma kumareum S.D.Yumkham, N.P.Devi, S.D.Khomdram & M.R.Devi (Boraginaceae) is described and illustrated from Manipur State of North East India. It shows affinity with T. khasianum and T. calycosum, but can be differentiated from the rest by its larger size in habit, helicoid cyme, closely packed numerous flowers ranging between 120?160 in number per inflorescence, presence of eight faucal appendages at the base of corolla lobes, adpressed urn?shaped flowering calyx and 1?4 lobed ovaries. A comprehensive description, photographs, relevant notes, conservation status and key to species are incorporated.
RAFFLESIA HASSELTII SURINGAR (RAFFLESIACEAE): A NEW RECORD TO KALIMANTAN, INDONESIA Sari, Rismita; Huda, Miftahul; Susandarini, Ratna; Astuti, Inggit Puji
REINWARDTIA Vol 18, No 2 (2019): Vol.18 No.2
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/reinwardtia.v18i2.3716

Abstract

SARI, R., HUDA, M., SUSANDARINI, R. & ASTUTI, I. P. 2019. Rafflesia hasseltii Suringar (Rafflesiaceae): A new record to Kalimantan, Indonesia. Reinwardtia 18(2): 65?70. ?? Rafflesia hasseltii Suringar flower has been observed for the first time in Sambas District, West Kalimantan by the Flora Fauna Research Team during the Khatulistiwa Expedition organized by Special Forces Command of Indonesian Army in 2012. This finding is the first record of Rafflesia hasseltii in Kalimantan following the previous record in Sarawak. The flower has 5?6 perigone lobes. This paper presents the detail characteristic of the flowers. 
NEW SPECIES OF CLIMBING AND SCRAMBLING BAMBOO FROM SULAWESI, INDONESIA Ervianti, Dita; Widjaja, Elizabeth Anita; Sedayu, Agung
REINWARDTIA Vol 18, No 2 (2019): Vol.18 No.2
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/reinwardtia.v18i2.3774

Abstract

ERVIANTI, D., WIDJAJA, E. A. & SEDAYU, A. 2019. New species of climbing and scrambling bamboo from Sulawesi, Indonesia. Reinwardtia 18(2): 115?132 ? Ten new species of Sulawesi bamboos are discovered, belonging to the climbing genus Dinochloa Büse and the scrambling Fimbribambusa Widjaja. These are Dinochloa bungintimbensis Widjaja & Ervianti, D. glabra Widjaja & Ervianti, D. karaboensis Widjaja & Ervianti, D. khoonmengii Widjaja & Ervianti, D. kolakaensis Widjaja & Ervianti, D. mekonggensis Widjaja & Ervianti, D. multibrachiata Widjaja & Ervianti, D. sessilifolia Widjaja & Ervianti, D. wartabonei Widjaja & Ervianti, and Fimbribambusa soejatmiae Widjaja & Ervianti. Identification keys, descriptions and illustrations of these species are presented. 
REDISCOVERY OF ALDROVANDA VESICULOSA L. (DROSERACEAE), AN ENDANGERED PLANT, AFTER SIX DECADES IN INDIA FROM MANIPUR WITH STUDIES ON MICROMORPHOLOGY AND PHYSICO-CHEMISTRY OF WATER Ngangbam, Romita Devi; Devi, Naorem Premita; Devi, Maibam Haripriya; Singh, Potsangbam Kumar
REINWARDTIA Vol 18, No 2 (2019): Vol.18 No.2
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/reinwardtia.v18i2.3749

Abstract

NGANGBAM, R. D., DEVI, N. P., DEVI, M. H. & SINGH, P. K. 2019. Rediscovery of Aldrovanda vesiculosa L. (Droseraceae), an endangered plant, from Manipur in India after six decades, with studies on micromorphology and physico-chemistry of water. Reinwardtia 18(2): 71?80. ? A small population of the aquatic insectivorous plant Aldrovanda vesiculosa L. of Droseraceae family was found growing in Yena pat, a small lake having an area of about 0.939 km2 in Bishnupur district, Manipur state, India. This marks its rediscovery in India after a long gap of 64 years. The present status of the species in the updated IUCN Red List of Threatened Species version 2018.2 is endangered and considered extinct from India. A general description and micromorpho-taxonomic studies are included. As the species is a bioindicator, physico-chemical studies of the water were also investigated so as to provide aid in both in-situ and ex-situ conservation strategies. Immediate conservation initiatives are warranted to maintain the species after its rediscovery.
THE SYSTEMATIC SIGNIFICANCE OF LEAF EPIDERMAL MICROMORPHOLOGY OF TEN NEPENTHES SPECIES (NEPENTHACEAE) FROM PENINSULAR MALAYSIA Ghazalli, Mohd Norfaizal; Tamizi, Amin Asyraf; Mat Esa, Muhamad Ikhwanuddin; Besi, Edward Entalai; Nikong, Dome; Mohd Nordin, Anuar Rasyidi; Zaini, Ahmad Zaki
REINWARDTIA Vol 18, No 2 (2019): Vol.18 No.2
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/reinwardtia.v18i2.3753

Abstract

GHAZALLI, M. N., TAMIZI, A. A., ESA, M. I. M., BESI, E. E., NIKONG, D., NORDIN, A. R. M. & ZAINI, A. Z. 2019. The systematic significance of leaf epidermal micromorphology of ten Nepenthes species (Nepenthaceae) from Peninsular Malaysia. Reinwardtia 18(2): 81?96. ? The pitcher plants of Malaysia belong to the genus Nepenthes and can be found thriving in swampy areas, along the roadside, on hillslopes and in mountainous terrains depending on species and their ecological preferences. In this study, cuticle micromorphology of ten species of Nepenthes (Nepenthaceae) collected from Peninsular Malaysia was intensively studied through scanning electron microscopy (SEM) to characterise and investigate diagnostic characters of cuticle micromorphology that can be useful in Nepenthes classification. A total of eleven characters from the inner and outer cuticles were enumerated in details and these characters have a value either for infrageneric classification or for diagnostic identification of the species. Characters observed and analysed were related to the epidermal cells, subsidiary cells, stomatal complex i.e type of waxes on both epidermal surfaces, abaxial and adaxial cuticular ornamentation, stomata characteristics, stomata formation, stomata frequency, cuticular ornamentation on stomata, shape of the stomata, stomata size, trichome existence and type of trichomes. Nepenthes ampullaria is clearly distinguished from the other species by markedly different types of tufted and multicellular trichomes of the epidermal cells on both leaf epidermal surfaces. For N. alba, its cuticular feature showed groovy cuticular pattern on the abaxial and adaxial surface, hence, can serve as a diagnostic cuticular pattern for this species. From these findings, the species delimitation based on cuticular features show a clear resolution, however some species might be individually distinct based on the combination of characters examined. 

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