Tak

Takhttps://en.wikipedia.org/wiki/Teak Teak (Tectona grandis) wani nau'in bishiyar itace ne na yankin tropics a daga dangin Lamiaceae. Bishiya ce babba mai ganye wacce ke samuwa a dazuzzuka dake da manyan itace. Icen Tectona grandis yana da ƙananan fararen furanni masu ƙamshi da ke shirye cunkude da yawa (panicles) a ƙarshen rassan. Waɗannan furanni suna da daukkannin gabobin haihuwa guda biyu (cikakkun furanni). Manya-manyan ganyen bishiyar teak suna yawan yin gashi daga ƙarƙashin su. Itacen Teak yana da kamshi irin na fata idan aka yi niƙa shi kuma ana daraja shi musamman don juriyar sa kuma ruwa ba ya lalata shi. Ana amfani da itacen don ƙera jirgin ruwa, ginin wajen gida, kayan kwalliya, kayan daki, sassaƙa, da ƙananan ayyuka daban-daban."Is all well in the teak forests of South Sudan? – By Aly Verjee"

Icen Tectona grandis ya fito ne a kudancin Asiya da kuma kudu maso gabashin Asiya, musamman Bangladesh, Indiya, Indonesia, Malaysia, Myanmar, Thailand, da Sri Lanka, amma ana noma shi a ƙasashen Afirka da Caribbean da dama. Dazukan teak na Myanmar ta kwashe kusan rabin kaso na itace teak na ainihi da ke duniya.https://www.ipni.org/n/864923-1

 Bayani\Siffa 
Tak babban bishiya ce mai tsayi har zuwa mita 40 (131 ft) tsayi tare da launin toka zuwa rassan launin toka-launin ruwan kasa, wanda aka sani da itace mai inganci. Ganyensa suna da kaifi-elliptic zuwa kwai, 15-45 cm (5.9-17.7 in) tsayi da 8-23 cm (3.1-9.1 in) faɗi, kuma ana riƙe su akan ƙananan petioles waɗanda ke da 2-4 cm (0.8-1.6 a ciki) ) dogo. Gefen ganye gabaɗaya ne furen furanni masu ƙamshi ana ɗaukar su akan 25-40 cm (10-16 in) tsayi da 30 cm (inci 12) faffadan faffadan daga Yuni zuwa Agusta.http://hal.cirad.fr/cirad-00846130/file/TGG6_5_.pdf

Bututun corolla yana da tsayin 2.5-3 mm tare da faɗuwar lobes na obtuse 2 mm. Tectona grandis yana kafa 'ya'yan itace daga Satumba zuwa Disamba; 'Ya'yan itãcen marmari suna globose kuma 1.2-1.8 cm a diamita. Furen suna da rauni sosai saboda anthers suna gaba da rashin kunya a lokacin balaga kuma ana zubar da pollen a cikin 'yan sa'o'i kaɗan na buɗe furen. Furen suna da yawa da yawa (wanda aka lalatar da kwari), amma lokaci-lokaci yana iya zama anemophilous (iska-pollinated). Wani bincike da aka gudanar a shekarar 1996 ya gano cewa, a yankinsa na kasar Thailand, manyan masu kada kuri'a sune nau'in kudan zuma na Ceratina.https://www.iucnredlist.org/species/62019830/62019832

 Itace 
Rubutun itace yana da wuya kuma zobba suna da yawa. Yawan yawa ya bambanta bisa ga abun ciki na danshi: a 15% danshi abun ciki shine 660 kg / m3. Itacen zuciya yana rawaya zuwa launin ruwan zinari. Sapwood fari ne zuwa koɗaɗɗen launin ruwan rawaya. Yana iya sauƙi rabuwa da itacen zuciya. Teak yana yin duhu yayin da ya tsufa. Ana iya samun babban bambanci, dangane da wane yanki ne teak ya fito. Tsohuwar girma tana da zobba masu matsewa fiye da sabon girma. Akwai kamshi mai kama da fata a cikin sabon itacen da aka yanka.https://web.archive.org/web/20111001154516/http://aob.oxfordjournals.org/content/79/3/227.full.pdf+html

 Tarihin Botanical 

Tectona grandis ne Carl Linnaeus ƙaramin ƙarami ya fara bayyana shi a ƙa'ida a cikin aikinsa na 1782 Supplementum Plantarum. A cikin 1975, Harold Norman Moldenke ya buga sabon kwatanci na nau'i hudu na wannan nau'in a cikin mujallar Phytologia. Moldeke ya bayyana kowane nau'i a matsayin ɗan bambanta kaɗan daga nau'in samfurin: T. grandis f. an bambanta canescens daga nau'in nau'in nau'in nau'in ta zama mai tsayi mai yawa ko kuma an rufe shi da gashi, a ƙarƙashin ganyen, T. grandis f. PIPs ya bambanta da nau'in ƙwayar cuta a cikin bambancin ilimin halittar jiki na jijiyoyin ganye, T. Grandis f. punctata mai gashi ne kawai akan manyan jijiyoyi a ƙarƙashin ganyen, kuma T. grandis f. Ana lura da tomentella saboda yawan gashin tomentose mai launin rawaya a saman ƙasan ganye.https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:864923-1

 Tarihin suna 
Kalmar Turanci ta zo ta hanyar teca na Portuguese daga Malayalam tekka (haɗe tare da Tamil tekku, Telugu teku, da Kannada tegu) ta hanyar Sanskrit "shaka" da "saka". Teak na Lardin Tsakiya da Nagpur teak ana kiran su ga waɗancan yankuna na Indiya.

 Rarraba da wurin zama 
Tecona Geris na daya daga cikin nau'ikan uku a cikin halittar Tecona. Sauran nau'ikan nau'ikan guda biyu, T. hamiltoniana da T. philippinensis, suna da ƙanƙanta da ƙananan rarraba a cikin Myanmar da Philippines, bi da bi. Tectona grandis ya fito ne daga Indiya, Bangladesh, Sri Lanka, Indonesia, Myanmar, arewacin Thailand, da arewa maso yammacin Laos. Ana samun Tectona grandis a cikin wurare daban-daban da yanayi na yanayi daga wurare masu busassun damina mai tsawon milimita 500 na ruwan sama a kowace shekara zuwa dazuzzukan dazuzzukan da ke da ruwan sama har zuwa mm 5,000 a kowace shekara. Yawanci, ko da yake, ruwan sama na shekara-shekara a wuraren da teak ke girma ya kai 1,250-1,650 mm tare da lokacin rani na wata 3-5.

 Noma 
 Manazarta