Elizabeth Anita Widjaja
Herbarium Bogoriense

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FLORA OF BALI: A PROVISIONAL CHECKLIST van Balgooy, Max M. J.; Widjaja, Elizabeth Anita
REINWARDTIA Vol 14, No 1 (2014): Vol. 14 No. 1
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (808.45 KB) | DOI: 10.14203/reinwardtia.v14i1.418

Abstract

Compared to Java the flora of Bali is poorly known. A checklist has been prepared based on literature and collections. The focus is on indigenous species, but the distinction between indigenous and naturalized species is not always clear. This checklist is therefore very provisional. The flora of the much smaller island state Singapore is much richer, probably mainly due to undercollecting of Bali.
NEW SPECIES OF BAMBOOS (POACEAE-BAMBUSOIDEAE) FROM BALI Widjaja, Elizabeth Anita; Astuti, Inggit Pudji; Arinasa, Ida Bagus Ketut
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 | Full PDF (723.54 KB) | DOI: 10.14203/reinwardtia.v12i2.73

Abstract

WIDJAJA, E.A., ASTUTI, I. P., ARINASA, I. B. K. 2004. New species of bamboos (Poaceae-Bambusoideae) from Bali. Reinwardtia 12(2):199 - 204. Five new species of bamboos from Bali are described: Bambusa ooh, Dinochloa sepang, Gigantochloa aya, Gigantochloa baliana and Gigantochloa taluh in the context of a proposal field guide to Balinese bamboos. Description including the distribution and the vernacular names are provided.
A NEW SPECIES OF FREYCINETIA (PANDANACEAE) FROM JAMBI, SUMATRA, INDONESIA Widjaja, Elizabeth Anita; Pasaribu, Nursahara; Hidayat, Arief
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 | Full PDF (130.465 KB) | DOI: 10.14203/reinwardtia.v12i5.85

Abstract

WIDJAJA, E.A., PASARIBU, N., HIDAYAT, A. 2009. A new species Freycinetia (Pandanaceae) from Jambi, Sumatra, Indonesia. Reinwardtia 12 (5): 441–442. — Freycinetia berbakensis Widjaja, Pasaribu & Hidayat is proposed as a new species.
FLORISTIC STUDY OF MEKONGGA PROTECTED FOREST: TOWARDS ESTABLISHMENT OF THE MEKONGGA NATIONAL PARK Widjaja, Elizabeth Anita; Potter, Daniel
REINWARDTIA Vol 14, No 1 (2014): Vol. 14 No. 1
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (738.545 KB) | 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.
THREE NEW SPECIES OF DINOCHLOA (POACEAE, BAMBUSOIDEAE) WITH ERECT CULM SHEATH BLADES FROM SULAWESI, INDONESIA Widjaja, Elizabeth Anita
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 | Full PDF (380.468 KB) | DOI: 10.14203/reinwardtia.v12i5.2771

Abstract

WIDJAJA, E.A. 2009. Three new species of Dinochloa (Poaceae, Bambusoideae) with erect culm sheath blades from Sulawesi, Indonesia. Reinwardtia 12(5): 435–440. –– Dinochloa aopaensis, D. morowaliensis, and D. petasiensis, are described as new. They are characterized by their erect culm sheath blades, but are distincted by a combination of characters of the auricle and ligule of the culm sheath, auricle and ligule of the leaf sheath and the pubescence of the leaf sheath. A key to the species of Malesian Dinochloa with erect culm sheath blades is presented.
NEW TAXA IN INDONESIAN BAMBOOS Widjaja, Elizabeth Anita
REINWARDTIA Vol 11, No 2 (1997): Vol. 11 No. 2
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (6526.91 KB) | DOI: 10.14203/reinwardtia.v11i2.588

Abstract

From a recent research on Indonesian bamboo germplasm it has become evident that there are at least 43 undescribed species (6 species of Bambusa, 3 species of Dendrocalamus, 4 species of Dinochloa, 13 species of Gigantochloa, 2 species of Nastus, 2 species of Racemobambos, 11 species of Schizostachyum and 2 species in the new monotyic genera Parabambusa and Pinga). Two new genera (Fimbribambusa and Neololeba) are here separated from Bambusa Schreb.
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. 
Two New Records of Wild Bananas (Musa balbisiana and Musa itinerans) from Sulawesi Sulistyaningsih, Lulut Dwi; Megia, Rita; Widjaja, Elizabeth Anita
Makara Journal of Science Vol. 8, No. 1
Publisher : UI Scholars Hub

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Abstract

The diversity of wild banana species in Sulawesi was investigated based on the morphological characteristics of herbarium specimens collected in Sulawesi and deposited in the Herbarium Bogoriense, Bogor, Indonesia (BO). New specimens were collected from Central, North, South, and Southeast Sulawesi, and digital type specimens were also used in this study. The aim of this study was to describe the diversity of wild banana species in Sulawesi as most Musaceae specimens stored at BO have not been identified. By examinating 110 sheets of herbarium specimens, five species of Musa, including two infraspecific taxa of M. acuminata housed in Sulawesi, were identified. Musa acuminata, M. celebica, and M. textilis were previously reported from Sulawesi. However, M. balbisiana and M. itinerans are two new records of wild banana species in Sulawesi. Identification keys, descriptions, distribution maps, and line-drawing illustrations of these two species are provided.
Two New Records of Wild Bananas (Musa balbisiana and Musa itinerans) from Sulawesi Sulistyaningsih, Lulut Dwi; Megia, Rita; Widjaja, Elizabeth Anita
Makara Journal of Science Vol. 18, No. 1
Publisher : UI Scholars Hub

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

Abstract

The diversity of wild banana species in Sulawesi was investigated based on the morphological characteristics of herbarium specimens collected in Sulawesi and deposited in the Herbarium Bogoriense, Bogor, Indonesia (BO). New specimens were collected from Central, North, South, and Southeast Sulawesi, and digital type specimens were also used in this study. The aim of this study was to describe the diversity of wild banana species in Sulawesi as most Musaceae specimens stored at BO have not been identified. By examinating 110 sheets of herbarium specimens, five species of Musa, including two infraspecific taxa of M. acuminata housed in Sulawesi, were identified. Musa acuminata, M. celebica, and M. textilis were previously reported from Sulawesi. However, M. balbisiana and M. itinerans are two new records of wild banana species in Sulawesi. Identification keys, descriptions, distribution maps, and line-drawing illustrations of these two species are provided.