tag:blogger.com,1999:blog-85334446434493772932023-11-15T07:18:50.128-08:00Kehutananjenispohonhttp://www.blogger.com/profile/03476338456817902423noreply@blogger.comBlogger2125tag:blogger.com,1999:blog-8533444643449377293.post-20563258248652320192011-07-15T05:14:00.001-07:002011-07-15T05:14:42.572-07:00Geronggang<link href="file:///C:%5CUsers%5CTOSHIBA%5CAppData%5CLocal%5CTemp%5Cmsohtmlclip1%5C01%5Cclip_filelist.xml" rel="File-List"></link><link href="file:///C:%5CUsers%5CTOSHIBA%5CAppData%5CLocal%5CTemp%5Cmsohtmlclip1%5C01%5Cclip_themedata.thmx" rel="themeData"></link><link href="file:///C:%5CUsers%5CTOSHIBA%5CAppData%5CLocal%5CTemp%5Cmsohtmlclip1%5C01%5Cclip_colorschememapping.xml" rel="colorSchemeMapping"></link> <m:smallfrac m:val="off"> <m:dispdef> <m:lmargin m:val="0"> <m:rmargin m:val="0"> <m:defjc m:val="centerGroup"> <m:wrapindent m:val="1440"> <m:intlim m:val="subSup"> <m:narylim m:val="undOvr"> </m:narylim></m:intlim> </m:wrapindent><style>
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<div align="center" class="MsoListParagraph" style="margin-left: -7.1pt; text-align: center; text-indent: -7.1pt;"><b><span style="font-family: "Times New Roman","serif"; font-size: 12pt; line-height: 115%;">A.<span style="font-family: "Times New Roman"; font-size-adjust: none; font-size: 7pt; font-stretch: normal; font-style: normal; font-variant: normal; font-weight: normal; line-height: normal;"> </span></span></b><b><i><span style="font-family: "Times New Roman","serif"; font-size: 12pt; line-height: 115%;">Cratoxylon arborescens </span></i></b><b><span style="font-family: "Times New Roman","serif"; font-size: 12pt; line-height: 115%;">Bl.<o:p></o:p></span></b></div><div class="MsoNormal" style="line-height: 150%; text-align: justify; text-indent: 36pt;"><i><span style="font-family: "Times New Roman","serif"; font-size: 12pt; line-height: 150%;">Cratoxylon arborescens </span></i><span style="font-family: "Times New Roman","serif"; font-size: 12pt; line-height: 150%;">Bl atau yang dikenal di Indonesia dengan nama geronggang yang memiliki padanan nama yang berbeda untuk setiap daerah, diantaranya </span><span style="font-family: "Times New Roman","serif"; font-size: 12pt; line-height: 150%;">burunggang, dori, geronggang, madangbaro, mampat, m</span><span style="font-family: "Times New Roman","serif"; font-size: 12pt; line-height: 150%;">epa, tamaw, tumok (kalimantan) termasuk dalam family Clusiaceae</span><span style="font-family: "Times New Roman","serif"; font-size: 12pt; line-height: 150%;">.</span><span style="font-family: "Times New Roman","serif"; font-size: 12pt; line-height: 150%;"> </span><span style="font-family: "Times New Roman","serif"; font-size: 12pt; line-height: 150%;">Tinggi pohon geronggang </span><span style="font-family: "Times New Roman","serif"; font-size: 12pt; line-height: 150%;">dapat mencapai 60</span><span style="font-family: "Times New Roman","serif"; font-size: 12pt; line-height: 150%;"> m, diameter dapat</span><span style="font-family: "Times New Roman","serif"; font-size: 12pt; line-height: 150%;"> mencapapi 120 cm</span><span style="font-family: "Times New Roman","serif"; font-size: 12pt; line-height: 150%;">, tinggi banir sampai 1 m</span><span style="font-family: "Times New Roman","serif"; font-size: 12pt; line-height: 150%;">, daun berhadapan, bunga berdiameter 8 mm, dan biji bersayap kecil</span><span style="font-family: "Times New Roman","serif"; font-size: 12pt; line-height: 150%;">. Biasa dapat ditemui berasosiasi dengan hutan kerangas atau dipterokarp dan berperan sebagai tumbuhan pionir (Silk, 2011). Kulit luar berwarna k</span><span style="font-family: "Times New Roman","serif"; font-size: 12pt; line-height: 150%;">e</span><span style="font-family: "Times New Roman","serif"; font-size: 12pt; line-height: 150%;">merah-merahan sampai coklat, beralur, dan mengelupas kecil-kecil.</span><span style="font-family: "Times New Roman","serif"; font-size: 12pt; line-height: 150%;"> Dengan sebaran habitat </span><span style="font-family: "Times New Roman","serif"; font-size: 12pt; line-height: 150%;"> hutan hujan tropis dengan tipe curah hujan A dan B, terutama pada tanah rawa atau zona peralihan antara tanah rawa dan tanah kering pad</span><span style="font-family: "Times New Roman","serif"; font-size: 12pt; line-height: 150%;">a ketinggian sampai 60 m dpl (Martawijaya (</span><span style="font-family: "Times New Roman","serif"; font-size: 12pt; line-height: 150%;">1981</span><span style="font-family: "Times New Roman","serif"; font-size: 12pt; line-height: 150%;">) dalam Maha (1997)</span><span style="font-family: "Times New Roman","serif"; font-size: 12pt; line-height: 150%;">).</span><span style="font-family: "Times New Roman","serif"; font-size: 12pt; line-height: 150%;"><o:p></o:p></span></div><div class="MsoNormal" style="line-height: 150%; text-align: justify; text-indent: 36pt;"><span style="font-family: "Times New Roman","serif"; font-size: 12pt; line-height: 150%;">Tumbuh tersebar atau mengelompok dalam belukar atau hutan</span><span style="font-family: "Times New Roman","serif"; font-size: 12pt; line-height: 150%;"> primer yang tergenang (prawira (</span><span style="font-family: "Times New Roman","serif"; font-size: 12pt; line-height: 150%;">1979</span><span style="font-family: "Times New Roman","serif"; font-size: 12pt; line-height: 150%;">) dalam Maha (1997)</span><span style="font-family: "Times New Roman","serif"; font-size: 12pt; line-height: 150%;">). Daerah penyebaran pertumbuhan pohon geronggang di indonesia meliputi sumatera utara, sumatera barat, sumatera selatan, riau, jambi, kalimantan barat, kalimantan selatan, dan kalimantan timur.</span><span style="font-family: "Times New Roman","serif"; font-size: 12pt; line-height: 150%;"> </span><span style="font-family: "Times New Roman","serif"; font-size: 12pt; line-height: 150%;">Kayu teras geronggang berwarna merah jambu tua atau merah bata muda jika baru ditebang,lambat laun menjadi merah tua tetapi tidak menjadi coklat. Kayu gubal berwarna kuning, kadang-kadang semu merah jambu atau jingga. Agak mudah dibedakan dari kay</span><span style="font-family: "Times New Roman","serif"; font-size: 12pt; line-height: 150%;">u teras, tebal kira-kira 5 cm (Martawijaya (</span><span style="font-family: "Times New Roman","serif"; font-size: 12pt; line-height: 150%;">1981</span><span style="font-family: "Times New Roman","serif"; font-size: 12pt; line-height: 150%;">) dalam Maha (1997)</span><span style="font-family: "Times New Roman","serif"; font-size: 12pt; line-height: 150%;">).</span><span style="font-family: "Times New Roman","serif"; font-size: 12pt; line-height: 150%;"> Manfaat kayu ini umumnya digunakan sebagai bahan untuk konstruksi dalam ruangan. Daerah sebarannya meliputi Burma, Semenanjung Malaysia, Jawa, Sumatera, dan Kalimantan (Silk, 2011).<o:p></o:p></span></div>jenispohonhttp://www.blogger.com/profile/03476338456817902423noreply@blogger.com1tag:blogger.com,1999:blog-8533444643449377293.post-66366584541972333782010-12-14T03:29:00.000-08:002010-12-14T03:29:33.437-08:00Damar Mata Kucing<div style="text-align: justify;"><span class="fullpost">Taksonomi dan Informasi Damar Mata Kucing</span><br />
<span class="fullpost">Kingdom : Plantae/tumbuhan</span><br />
<span class="fullpost"> Divisio : Magnophyta</span><br />
<span class="fullpost"> Kelas : Magnoliopsida</span><br />
<span class="fullpost"> Ordo : Malvales</span><br />
<span class="fullpost"> Famili : Dipterocarpaceae</span><br />
<span class="fullpost"> Subfamily : Dipterocarpoideae</span><br />
<span class="fullpost"> Genus : Shorea</span><br />
<span class="fullpost"> Species : Shorea javanica K. et. V. (Appanah dan Turnbull, 1998).</span><br />
<br />
<span class="fullpost">Damar adalah resin yang keras, padat dan mudah pecah, dengan</span><br />
<span class="fullpost"> pengerasan segera setelah dieksekresikan, jika mengandung minyak esensial</span><br />
<span class="fullpost"> yang dapat diuapkan dalam jumlah yang kecil. Walaupun semua</span><br />
<span class="fullpost"> dipterocarpceae menghasilkan damar, hanya sebagian kecil yang memiliki nilai</span><br />
<span class="fullpost"> komersial penting. Di Asia Tenggara, genus penting penghasil damar adalah</span><br />
<span class="fullpost"> Shorea, Hopea dan Neobalanocarpus. Damar ditemukan sebagai eksudat alami</span><br />
<span class="fullpost"> pada pohon yang hidup, berbentuk bungkahan, di atas tanah di bawah pohon, di</span><br />
<span class="fullpost"> dekat tunas yang mati, bahkan terkubur di dalam tanah. Secara alami damar</span><br />
<span class="fullpost"> dieksudasi oleh tumbuhan yang sakit, atau mengalami kerusakan pada kayu</span><br />
<span class="fullpost"> gubalnya (Appanah dan Turnbull 1998).</span><br />
<span class="fullpost"> Secara tradisional, damar digunakan sebagai bahan bakar obor penerang,</span><br />
<span class="fullpost"> penambal perahu, dan kerajinan tangan. Resin Dipterocarpaceae juga</span><br />
<span class="fullpost"> digunakan sebagai campuran resin aromatik yang berupa Styrax benzoin</span><br />
<span class="fullpost"> (Stiracaceae) yang digunakan sebagai kemenyan dan obat-obatan.</span></div>jenispohonhttp://www.blogger.com/profile/03476338456817902423noreply@blogger.com0