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All Journal REINWARDTIA BERITA BIOLOGI
Teguh Triono, Teguh
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education

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COMPARATIVE LEAVES ANATOMY OF PANDANUS, FREYCINETIA AND SARARANGA (PANDANACEAE) AND THEIR DIAGNOSTIC VALUE Santika, Yessi; Tihurua, Eka Fatmawati; Triono, Teguh
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 (627.232 KB) | DOI: 10.14203/reinwardtia.v14i1.412

Abstract

Study in leaves anatomy of twenty nine samples of the species classified under Pandanus, Freycinetia and Sararanga of Pandanaceae had been undertaken to unravel generic relationship among of these taxa with a view to provide a set of diagnostic characters for taxonomic identification. The fourth genus of Pandanaceae, Benstonea is not included in this analysis since there are no representative samples. Four anatomical diagnostic characters had been identified at the generic level such as present and absent of papillae, stomatal arrangement types, present and absent of bundle sheath extension and hypodermal thickness and its shape. Pandanus has papillae, amphistomatous stomata, bundle sheath extension present and hypodermis thin and rectangular; Freycinetia lacked of papillae, stomata hypostomatous or amphistomatous, bundle sheath extension absent and hypodermis thick and hexagonal or rounded; meanwhile Sararanga has no papillae, stomata amphistomatous, bundle sheath extension absent and hypodermis thin and flatten. An identification key to those genera based on anatomical diagnostic characters is provided.
ANALISIS VEGETASI POHON DI HUTAN HUJAN TROPIK HARAPAN, JAMBI Mansur, Muhammad; Triono, Teguh; Ismail, Ismail; Adi, Setyawan Warsono; Wahyu, Enu; Ismail, Gofar
BERITA BIOLOGI Vol 10, No 2 (2010)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (815.439 KB) | DOI: 10.14203/beritabiologi.v10i2.1970

Abstract

Vegetation analysis of trees in Harapan Rainforest, PT.REKI, Jambi, was conducted on October-November 2009. Two 50m x 100m (0,5 ha) plots were established to obtain primary data for analysis. Plot one was made in the area of Medium Secondary Forest and plot two in the area of High Secondary Forest. Results shows that, the number of tree species were recorded from the two plots was 205 species from 550 individual trees with a total Basal Area (BA)= 64.75 m2. Plot one has 123 species from 284 individuals with BA = 10.82 m2 and Diversity Index (H)= -1.87. Bellucia axinanthera was recorded as the dominant species with Importance Value (IV)= 37.21%. Meanwhile, plot two has 126 species from 266 individuals with BA= 53.93 m2 and (H)= -1.97. Shorea acuminata was recorded as the dominant species with IV= 12.93%. Plot two (High Secunder Forest) has higher diversity of tree species than plot one (Medium Secunder Forest).The structure and composition of vegetation between plot one and plot two is different with similarity index for the two plots is only 21.46%.
Co-Authors Adi, Setyawan Warsono Eka Fatmawati Tihurua Gofar Ismail MUHAMMAD MANSUR Wahyu, Enu Yessi Santika, Yessi Yundari, Yundari