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Floribunda

Floribunda
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Published by Penggalang Taksonomi Tumbuhan Indonesia

ISSN : 01254706 EISSN : 24606944 DOI : -

Core Subject : Science, Agriculture,

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology

Floribunda is published both in Bahasa Indonesia and English, covers wide range of plant diversity, taxonomy and systematics of Malesian flora particulary distributed in Indonesia.

Arjuna Subject : -

Articles 6 Documents

Search results for , issue "Vol. 5 No. 2 (2015)" : 6 Documents clear

THE GENUS FRULLANIA (HEPATICAE: FRULLANIACEAE) IN BALI Ida Haerida
Floribunda Vol. 5 No. 2 (2015)
Publisher : PTTI

A first study of Frullania in Bali indicate that seven species can be recognized. They are F. gaudichaudii (Nees & Mont.) Nees & Mont., F. gracilis (Reinw., Blume & Nees) Dumort., F. junghuhniana Gottsche., F. meyeniana Lindenb., F. moniliata (Reinw., Blume & Nees) Mont., F. ornithocephala (Reinw. et al.) Nees and F. ternatensis Gottsche. Figure of Frullania moniliata are presented. Notes on description to the genus, key to the species, diagnostic characters, as well as distribution of the species are given.

COVER FLORIBUNDA 5(2) Editor Floribunda
Floribunda Vol. 5 No. 2 (2015)
Publisher : PTTI

Cover page for Floribunda 5(2)

LEAF FLUSHING AS TAXONOMIC EVIDENCE OF SOME DIOSPYROS SPECIES Eva Kristinawati Putri; Tatik Chikmawati
Floribunda Vol. 5 No. 2 (2015)
Publisher : PTTI

People tend to use generative structures for plant identification. Nevertheless, generative structure availibility limits the identification practice for a plant with once-a-year fruit-bearing phase, such as Diospyros L. (Ebenaceae). Being vegetative characters, leaf flushing are rarely used for plant identification so that they have not been explored as a taxonomic evidence. In this paper, leaf flushings and their taxonomic implication were studied using eight species of Diospyros grown in Ecopark of Cibinong Science Center LIPI, Bogor (West Java). Observations on morphological characters were undertaken on three twigs (which have three flushing sets and an apical dormant bud) taken from each 22 individual trees of Diospyros species available. Morphological development observation showed that bud rhythmic growth produce flushing sets usually distinguishable from the previous sets. Leaf flushing time after a period of dormancy and the presence of small reduced leaf in some species indicated anarrested growth in the bud. Leaf flushings can be found every few months or all year around with a period of 40–55 days for the formation of mature leaves. Leaf flushing provided 39 characters that can be used as taxonomic evidence for distinguishing the eight species of Diospyros observed. A determination key for these species solely based on leaf flushing characters is presented.

PERBEDAAN VEGETATIF DUA JENIS EKONOMI ETLINGERA YANG DIPAKAI PENDUDUK BOGOR Dina Handayani; Nunik Sri Ariyanti
Floribunda Vol. 5 No. 2 (2015)
Publisher : PTTI

Torch ginger (Etlingera spp., Zingiberaceae) has long been known in Bogor as herbs and spices, however it has not been widely used as ornamental plants and cut flowers. An exploration was conducted to characterize the morphological variations and characteristics of vegetative before flowering. Two species of torch ginger (E. elatior and E. hemisphaerica) in Bogor and their flowers variation can be identified vegetatively by the characteristic of sheath (patterns of stripes, dots decoration, wax layer), and leaf bud (color). The inflorescence characters of E. elatior and E. hemisphaerica can be predicted based on the colour of sheath and scales of rhizomes.

POLIPLOIDI INTRASPESIFIK PTERIS VITTATA L. (PTERIDACEAE) DI PULAU JAWA Mugi Mumpuni; Tatik Chikmawati; Titien Ngatinem Praptosuwiryo
Floribunda Vol. 5 No. 2 (2015)
Publisher : PTTI

The Chinese ladder brake fern, P.vittata, shows considerable morphological variations and has wide geographical distribution throughout the world. In India and China this species was reported as cryptic species with five cytotypes, namely diploid, triploid, tetraploid, pentaploid and hexaploid, and has basic chromosome number 29. Cytological studies on P. vittata in Indonesia is vew informed. There were two ploidi levels and reproduction type among 37 individuals of P. vittata in Java, sexual tetraploid (2n = 4x = 116) and apogamy pentaploid (2n = 5x = 145). Pentaploid is a new record in Java. The tetraploid and pentaploid types were morphologically not differentiated clearly, but the pentaploid has larger stomata size than that of the tetraploid.

KEANEKARAGAMAN GENETIK SALACCA ZALACCA BERDASARKAN PENANDA AFLP Zumaidar Zumaidar; Tatik Chikmawati; Alex Hartana; Sobir Sobir
Floribunda Vol. 5 No. 2 (2015)
Publisher : PTTI

Salacca zalacca has two varieties, namely Salacca zalacca var. zalacca called salak Jawa and Salacca zalacca var. amboinensis called salak Bali. Based on agronomical and morphological characters, people have known several cultivars of both varieties. This study aims to determine the genetic differences between them. Salak samples (Salacca zalacca) accounted for 91 accessions from Aceh, West Java (Bogor, Sumedang, Tasikmalaya), Central Java, Jogjakarta, and Sulawesi, included 22 cultivars consisted of 11 released cultivars and 11 local cultivars. Molecular marker was used Amplified Fragment Length Polymorfism markers (AFLP) that consisted of two different primer combinations are EcoRI-ACT and Mse1-CAT; and EcoRI-ACC and Mse1-CTT. Data were analyzed using the UPGMA method. The results showed that the data fragments that were scored from the combination of two different primer were 531. Those were polymorphic on the size of 140–489 bp for ACT-CAT and 140–447 bp for ACC-CTT. Primer combinations of EcoRI-ACC and Mse1-CTT produced polymorphic data moresomore efficiently than primer combination of EcoRI-ACT and Mse1-CAT. Phenetic analysis illustrates the genetic relationship between salak Jawa and salak Bali on 0.61 similarity coefficient. Dendrogram showed union of salak Bali accessions at tree branches. Molecularly AFLP markers indicated separation of salak Jawa and salak Bali.

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