Quercus aliena

Quercus aliena, itacen oak na galcham  ko itacen oak na gabas,  wani nau'in itacen oak ne a cikin dangin Fagaceae, a cikin sashin farin itacen oak Quercus .  

 Bayani 
Itacen bishiya ce mai girma zuwa  tsayi tare da akwati har zuwa  a diamita tare da fissured launin toka- ƙasa haushi. Ganyen ba su da girma zuwa tsayi, masu kyalli a sama, masu kyalli zuwa launin toka-fari mai gashi a ƙasa, galibi  tsayi kuma  fadi (da wuya har zuwa  tsawo da  fadi), tare da lobes 9 zuwa 15 a kowane gefe, da kuma a  petiole.

Furen furanni masu kyan gani. Acorns su ne  dogon kuma   fadi, kashi uku zuwa rabi an rufe shi a cikin kogon launin toka-kore a kan ɗan gajeren zango; suna kadaici ko 2-3 tare, kuma suna girma a cikin kimanin watanni shida daga pollination. Itace mai tsayi, tana girma a hankali.   

 Taxonomy 
Ana karɓa iri uku zuwa biyar:  

 Quercus aliena var. aliena . Leaf gefe na wavy; leaf m kasa.
 Quercus aliena var. Maxim . Gefen gefen leaf, tare da kaifi mai kaifi; ganye mai yawa mai gashi a ƙasa tare da gashin gashi.
 Quercus aliena var. pekingensis Schottky. Gefen gefen leaf, tare da zagaye serration; leaf mai kyalli ko gashi kadan a kasa.
 Quercus aliena var. alticupulifirmis H.Wei Jen & LMWang ( Flora na kasar Sin ba ta yarda da shi ba).
 Quercus aliena var. pellucida Blume (Ba a yarda da Flora na China ba ).

Haɓaka tsakanin Quercus aliena da wasu itatuwan oak da yawa a cikin ƙungiyar Quercus . An san Quercus . 

 Sunaye gama gari 
A kasar Sin ana kiranta ruìchí húlì, ko húlì. Quercus aliena var. acutiserrata ana kiransa ruìchí húlì, yayin da var. aliena ana kiranta da húlì. A Japan ana kiranta naragashiwa.  

 Rarrabawa 
Ya fito ne daga jihohin Gabashin Asiya na Koriya, Japan (inda yake faruwa a Honshu, Shikoku, da Kyushu ), babban yankin kasar Sin (inda yake faruwa a lardunan Anhui, Gansu, Guangdong, Guangxi, Guizhou, Hebei, Henan, Hubei, Hunan, Jiangsu, Jiangxi, Liaoning, Shaanxi, Shandong, Shanxi, Sichuan, Yunnan, and Zhejiang ) and Taiwan .  

 Noma da amfani 
Ana amfani da itacen a gabashin Asiya don ginin jirgin ruwa da shimfidar katako don gidaje. Za a iya niƙa tsaba a cikin foda kuma a yi amfani da su azaman mai kauri da kuma haɗawa cikin hatsi da burodi. Hakanan ana iya amfani da tsaba idan an gasa su azaman madadin kofi.  Galls da tsutsa na kwari ke haifarwa shine tushen tushen tannin. 

An gabatar da Quercus aliena zuwa Turai a cikin 1908, amma ya kasance da wuya a noma a wajen yankinsa.  Taproot yana da zurfi, yana sa tsofaffin tsire-tsire masu wuyar motsawa.  Yana tsiro a cikin cikakkiyar rana ko inuwa mai ban sha'awa kuma yana jure wa iska mai ƙarfi. Yana iya girma a kusan kowace irin ƙasa muddin ruwa bai cika ba. 

 Nassoshi 

Rukuni:TSIRRAI