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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. 4 No. 7 (2013)" : 6 Documents clear

ANALISIS KEKERABATAN MORFOLOGI MANGIFERA DARI SUMATERA TENGAH Fitmawati Fitmawati; Anggi Swita; Nery Sofyanti; Herman Herman
Floribunda Vol. 4 No. 7 (2013)
Publisher : PTTI

Ten distinct species of Mangifera were determined in central of Sumatera. This study aimed to characterize and to determine species of Mangifera based on the morphological character. The study had been conducted from December 2012 to March 2013 on 4 study sites in Riau Province by using a survey method and a direct observation. Fifty morphological characters were scored and analyzed using PAUP 4.0. The cladogram formed two main clades, clade I only consisted of M. kemanga and clade II consisted of M. foetida, M. odorata, M. indica, M. laurina, M. sumatrana, M. zeylenica, M. quadrifida, M. torquendra and Mangifera sp. The clustering results in two cladograms were mainly based on the the similarity of morphological characters dan based on the line of evolution.

ANATOMI DAN HISTOKIMIA ORGAN GENERATIF AMORPHOPHALLUS MUELLERI Dwi Gusmalawati; Serafinah Indriyani; Rodiyati Azrianingsih
Floribunda Vol. 4 No. 7 (2013)
Publisher : PTTI

Porang is a tuber-producing plants and can be used as foodstuffs, cosmetics, pharmaceuticals and other industries. Porang growth cycle consists of vegetative phase and generative phase. The vegetative phase, when tuber produces petiole and lamina, while the generative phase, when tuber produces flower, fruit, and seeds. The aim of this study was to characterize the anatomy and histochemistry of porang generative organs. This research was conducted on the observations of anatomical characters, with the making of semi-permanent preparations and histochemical observations using fresh preparations. The results of the study showed that the surface of the adaxial and abaxial of the spathe structure of the epidermis was different, superior ovary, hemiantropus ovule, and bilobus anthers, each consisting of two loci. Porang fruit is a berry, thin pericarp with parenchymatous tissue that has a raphide sac and druse. Porang seed has thick testa and thin tegmen, as well as have the raphide sac. Based on testing of histochemistry, porang seeds contain starch, protein and lipid.

KAJIAN SISTEM POLINASI DAEMONOROPS DRACO (WILLD.) BLUME Revis Asra; Syamsuardi Syamsuardi; Mansyurdin Mansyurdin; Joko Ridho Witono
Floribunda Vol. 4 No. 7 (2013)
Publisher : PTTI

The pollination study on Daemonorops draco (Wildd.) Blume has been conducted based on structure of inflorescence, pollen and ovul ration, and apomixis. The result of study present that inflorescence structure of D. draco was androdioecious. Based on the color of the inflorescence on anther and crown indicated that D. draco pollination systems supported by insects (Trigona spp.). Pollination systems of D. draco based on ratio pollen ovule is xenogami (outcrossing). Apomixis process proved that fruit of D. draco can be formed without convergence of gametes/males and females which have the character of apomixis.

JENIS-JENIS GLOMEROMYCOTA DI PANDANUS TECTORIUS DARI JAWA DAN MADURA Kartini Kramadibrata
Floribunda Vol. 4 No. 7 (2013)
Publisher : PTTI

Glomeromycota is a group of arbuscular fungi (AF) which usually grow on rhizosphere of higher plants either dicots or monocots, and lower plants. Information on its diversity, particularly in Indonesia remains underexplored. As a result, this study is carried out in order to fill the gap on the information of Glomeromycota diversity surrounding Pandanus tectorius. The soil samples were collected from Pandanus grow in coastal forests in southern part of West Java, villages in West, Central and East Java including Madura Island. Glomeromycota spores were isolated from soils around rhizosphere of pandan and were identified using their morphological characters. Ten species of Glomeromycota were associated with pandan rhizosphere that belong to genera Acaulospora (3 species), Claroideoglomus (1 species), Funneliformis (1 species), Glomus (2 species), Racocetra (1 species), Sclerocystis (2 species), and Glomus glomerulatum is a new record for Java. The record of each species is presented

COVER FLORIBUNDA 4(7) Editor Floribunda
Floribunda Vol. 4 No. 7 (2013)
Publisher : PTTI

Cover page Floribunda 4(7)

ANALISIS MORFOMETRI DAN BIOLOGI REPRODUKSI ANAPHALIS JAVANICA DAN A.LONGIFOLIA (ASTERACEAE) DI SUMATERA BARAT Ahmad Taufiq; Syamsuardi Syamsuardi; Ardinis Arbain; Tesri Maideliza; Mansyurdin Mansyurdin
Floribunda Vol. 4 No. 7 (2013)
Publisher : PTTI

Anaphalis javanica and A. longifolia, were collected during the expeditionto Mt. Merapi, Singgalang, Tandikat, and Talang (West Sumatra). Beside two of these species, several individuals of Anaphalis that differs in several characters from the two others species were also found. Based on it, morphometric study and biology reproduction analysis were carried out to clarify their taxonomic classification. Fifty three individuals of Anaphalis were collected and twenty four characters had been observed and measured to define species and morphology variation. Data analysis revealed that the alien species were defined as a natural hybrid of A. javanica and A. longifolia. There was no significant difference that number and morphology of pollens among populations as well as those two species studied. Based on the P/O ratio analysis indicated that breeding system of A. javanica and A. longifolia were facultative xenogamy. The same ornamentation (echinate) in both of two species suggested that the natural hybridization between two species was possible.

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