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- W1814446622 abstract "Holltum (1950) was the first researcher who divided genus Alpinia into three separated genera, i.e. Alpinia, Catimbium and Languas . This classification was followed by many authors like Backer and Bakhuizen van den Brink (1968), although other authors challenged it. Justification of the taxonomic status of this genus so far is only based on morphological characters of the flowers, and it has not solved different opinion of the author yet. It is therefore important to conduct an experiment in order to extend of the character, such as anatomical characters and their chemical constituent of essential oil to gain representative characters on classifying this genus. For this reasons this experiment was conducted. Quantitative and qualitative methods were used in this experiment. Five species of genus Alpinia took from Bogor Botanical Garden`s collection and species collected from highland of northern Purbalingga were used in this experiment. Morphological character’s examinations were rhizomes, roots, shoots, leave, flowers, fruits and seeds. Anatomical character’s examinations were the section of the rhizomes, roots, shoots and leave, included sheath and both upper and lower section of epidermal lamina. Preparats were made by semi permanent method. Experiments on chemotaxonomy were done, including quantitative analysis of essential oil of the rhizome by water distillation, and determination of the kind of their essential oils by gas chromatography. The phylogenetic relationships of genus Alpinia were determined by clustering association coefficient continued by cluster analysis. These results indicate that morphological and anatomical character, and chemical constituent of essential oils both single or combination could be used as determinant character in genus Alpinia. Combination of these characters strengthen the current classification based on morphological characters, but the phylogenetic dendrogram based on combination of previous characters indicated that separation of genus Alpinia to three genera, i.e. Alpinia, Languas and Catimbium could not be confirmed. Key words: Alpinia, morphology, anatomy, essential oils, phylogenetic" @default.
- W1814446622 created "2016-06-24" @default.
- W1814446622 creator A5002682067 @default.
- W1814446622 date "1999-01-01" @default.
- W1814446622 modified "2023-09-26" @default.
- W1814446622 title "Status Taksonomi Genus Alpinia Berdasarkan Sifat-sifat Morfologi, Anatomi dan Kandungan Kimia Minyak Atsiri" @default.
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