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REINWARDTIA
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Articles 1,467 Documents
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. 
THE ECOLOGY AND DISTRIBUTION OF FREYCINETIA GAUD. (PANDANACEAE; FREYCINETOIDEAE) IN THE INDONESIAN NEW GUINEA NURHAIDAH IRIANY SINAGA; RITA MEGIA; ALEX HARTANA; ARY PRIHARDHYANTO KEIM
REINWARDTIA Vol 13, No 2 (2010): Vol. 13 No. 2
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/reinwardtia.v13i2.2140

Abstract

SINAGA, N. I., MEGIA, R., HARTANA, A., KEIM, A. P. Ecology and distribution of Freycinetia Gaud. (Pandanaceae; Freycinetoidea) in Indonesian New Guinea. Reinwardtia 13(2): 189-197. - The study mainly concerns with the species of Freycinetia that occurs in the Indonesian New Guinea, including the provinces of Papua and Papua Barat. The study indicates that almost all species of Freycinetia in the Indonesian New Guinea prefer high humidity and abundantly occur along rivers, except for the members of the group of species with imbricate leaves, which inhabit also secondary forests. Futhermore, the members of this group have never been found within the range of 1700 to 3000 m altitudes. This highest range of altitudes is specifically occupied by the members of the groups of species with semi imbricate and grass-like leaves. The costal forests are inhabited by the groups of species with semi and non imbricate leaves. Indonesian New Guinea shares many species with Papua New Guinea, except for the members of the group of species with semi imbricate leaves, which are more common in Indonesian New Guinea than in Papua New Guinea. On the contrary, the members of the group of species with grass-like leaves are more common in Papua New Guinea and becoming rare toward the Indonesian site and becoming absent in the Vogelklop (Bird's head), except for F. polyclada which is commonly found in Sorong. Indonesian New Guinea possesses 34 species exclusively distributed in the area, while Papua New Guinea has 72 species. The two areas share 52 species. Only five species have extra New Guinean distributions, i.e. F. excelsa, F. funicularis, F. marginata, F. percostata, and F. scandens.
NOTES ON THE SYSTEMATY OF SOLOMON ISLANDS' PLANTS AND SOME OF THEIR NEW GUINEA RELATIVES. XI B. C. Stone; T. C. Whitmore
REINWARDTIA Vol 8, No 1 (1970): vol.8 no.1
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/reinwardtia.v8i1.228

Abstract

Preliminary to a revision of the Myrsinaceae of the British Solomon Islands, we have found it necessary to name and validate the two large undescribed species of Tapeinosperma Hook.f., diagnoses of which are given in this paper, in order that their names may be available for use in connection with studies of the phytogeography of the Solomon Islands.
SOME SOOTY MOULDS AND BLACK MILDEWS FROM SINGAPORE AND THE MALAY PENINSULA G. LIM
REINWARDTIA Vol 9, No 2 (1975): vol.9 no.2
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/reinwardtia.v9i2.910

Abstract

In Singapore and the Malay Peninsula sooty moulds and black mildews are common. Colonies of these fungi on plant foliage often consist of several species mixed together and each species may produce more than one type of conidia and other fruiting structures. The specimens collected and examined are described and listed under Ascomycetes (17 species) and Fungi Imperfecti (16 species). The most common species were those of Meliola and Microxyphium. A host list is provided.
THE FERN-GENUS PLEOCNEMIA PRESL R. E. HOLTTUM
REINWARDTIA Vol 1, No 2 (1951): vol.1 no.2
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/reinwardtia.v1i2.1056

Abstract

  1. The genus Pleocnemia Presl is redefined and differentiated from Tectaria Cav. and Arcypteris Underw., the latter genus being very closely related to Pleocnemia. 2. The configuration of the perispore proved to be of importance for the characterisation of the .species. In this regard three types are distinguished, perispore 1 forming crisped anastomosing wings, perispore consisting of many slender spines, and, an intermediate type, perispore forming many small separate wings.3. Tentatively 15 species are recognized. Of these, Pleocnemia winitii Holttum,P. acuminata Holttum, P. pleiotricha Holttum, P. presliana Holttum, P. dimidiolobata Holttum, P. tripinnata Holttum, and P. seranensis Holttum are described as new, aa well as one variety, P. conjugata var. elatior Holttum. 4.The following new combinations are made:P.hemiteliiformis (Racib.)Holttum (basinym:Pleocnemia leuzeana var. hemiteliaeformis Racib.),P.olivacea (Copel.)Holttum (basinym: Tectaria olivacea Copel.),P. kingii (Copel.) Holttum (basinym: Tectaria kingii Copel.), and P. chrysotricha (Bak.) Holttum (basinym: Nephrodium chrysotrichum Bak.). 5. Reductions to synonymy are: Pleocnemia javanica Presl to P. conjugata (Bl.) Presl, and Dictyopteris compitalis v. A. v. R. to P. hemiteliiformis (Racib.) Holtt
A NEW SPECIES OF XANTHOSTEMON (MYRTACEAE) FROM NATUNA ISLANDS, INDONESIA Agung Sedayu
REINWARDTIA Vol 12, No 5 (2009): Vol. 12, No. 5
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/reinwardtia.v12i5.84

Abstract

SEDAYU, A. 2009. A new species of Xanthostemon (Myrtaceae) from Natuna Islands, Indonesia. Reinwardtia 12(5): 447–449. — A new species of Xanthostemon, X. natunae was collected from Natuna Islands,Indonesia, outside the previous known westernmost distribution limit in Palawan (X. speciosus). Its differences with X. confertiflorus Merr. (Celebes) are discussed.
New variety, records & discoveries of some species of Pandanus (Pandanaceae) in Sumatra & Kalimantan, Indonesia Ary Prihardhyanto Keim
REINWARDTIA Vol 13, No 3 (2012): Vol. 13 No. 3
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/reinwardtia.v13i3.446

Abstract

This current study shows the presence of a new variety of Pandanus korthalsii Solms from Bengkulu, P. korthalsii Solms var. bengkuluensis A.P. Keim and records the presence of three species from Pandanus previously unknown to Sumatra and Borneo, particularly Kalimantan: Pandanus irregularis Ridl., P. labyrinthicus Kurz, and P. stelliger Ridl. The result of this study also indicates that in Sumatra the coastal-inhabitant P. labyrinthicus can also be found further inland from its previously known habitat.
AN ADDITIONAL NOTE ON VIBURNUM CLEMENSAE KERN J. H. KERN
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: 10.14203/reinwardtia.v2i1.1018

Abstract

In "Reinwardtia" (1: 157. 1951) I published a new species of Viburnum from Mount Kinabalu, Borneo, under the name of V. clemensae.The description was drawn up after fruiting specimens in the Herbarium of the Arnold Arboretum. Unfortunately flowers were wanting in the specimens available.Some time ago Dr. A. J. G. H. Kostermans came across much more complete material among the indeterminata of the Bogor Herbarium, profusely flowering as well as fruiting. This enables the amplification of the description.

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