
oornaas birch

aazhathil elakalulla oru vividatharam velli birchaanu oornaas birch (sweedish "ornasbjorkku", laattin "bettula pendula" 'dalecarlica'). ithu sweedante deseeya vrukshamaanu.
charithram.
1767ll central sweedish pravisyayaaya dalarnayile oornaas graamatthil hans gustaf heord aanu yadhaartha oornaas birch kandethiyathu. hyrord eee vrukshathinte vivaranam upsala sarvakalaashaalayile sasyashaasthranjanaaya kaal linneyasinu ayachu. ellah oorna birch marangalum pracharippicha yadhaartha maratthil ninnaan murivukal eduthathu. 1890 meyy 26nuu oru kodunkaattil maram veenu. athinte sthaanathu rund puthiya marangal nattupidippichu, yadhaartha maratthinte murivukalil ninnu eduthathaanu. pinneedu moonnaamathethu chertthu. marangalude sthaanam 
1985ll oornaas birchine sweedante deseeya vrukshamaayi namakaranam cheyyukayum niravadhi sweedish pattanangalile kendra sthalangalil udaaharanagal nattupidippikkukayum cheythu.
athe varsham thanne, aadyathe ettu "bettula pendula" 'dalecarlica' dakshinaafrikkayile pratoriyayilekku germmaniyile oru nazhsariyil ninnu oru vrukshapremikalaaya kaal ernst haze irakkumathi cheythu.
vivaranam.
oornaas birch marangal uyarathil valarunnu, avaykku vrithaakruthiyilullathum oru paridhivare asamavumaaya kireedamundu. pradhana shaakhakalkku thumbikkaiyilekku oru acute angle undu, ettavum puram shaakhakal maathrame thoongikkidakkunnulla. oornaas birch palappozhum samanamaaya birchukal 'bettula pendula' 'chrispa', 'bettula pendula' 'laasinita' ennivayumaayi aashayakkuzhappathilaakunnu, koodaathe moonnu enangalum chilappol "sweedish birch" aayi vaanijyaparamaayi vilkkunnu. yadhaartha oornaas birchine athinte valarchaa roopathaal verthirichariyaan kazhiyum, athil athinte elakal mattu enangale apekshichu kooduthal aazhathil indant cheythirikkunnu.
aann, penn pookkal undu, vithu, murikkal allengil saadhaarana bettula pendula rutstokkilekku graphting ennivayil ninnu oornaas birch pracharippikkam.

