Slender North American kev zoo nkauj Canadian hemlock belongs rau tsev neeg ntoo thuv thiab yog tsob ntoo ntsuab ntsuab. Nws lub tebchaws thiab thaj chaw faib khoom tseem ceeb yog thaj tsam sab hnub tuaj ntawm North America thiab Asia. Raws li cov nroj tsuag ornamental, hemlock tau loj hlob thoob plaws ntiaj teb. Ntoo yog heev hardy, muaj peev xwm tiv taus frosts tseem ceeb. Rusty nyiam
me ntsis acidic av. Nws muaj lub cone-puab crown thiab ncav cuag 30 meters hauv qhov siab. Nws hlob qeeb heev, ntev ntev, thaum nyob mus txog ib txhiab xyoo, ncav cuag cov khoom tsim tau ntau tshaj 200-300 xyoo.
keeb kwm me ntsis
Tswv Ntuj lub npe tsis tsim tam sim. Hemlock tau txais nws thawj lub npe los ntawm Carl Linnaeus hauv 1763 - Pinus canadensis. Qhov tseeb yog tias txawm hais tias nws belongs rau tsev neeg ntoo thuv, nws zoo ib yam li fir. Thiab rau lub sijhawm ntev, botanists tsis tuaj yeem txiav txim siab rau tsev neeg twg nws yeej yog. Tom qab ntawd nws tau pom tias cov nroj tsuag yog qhov kev hloov pauv ntawm cov tsev neeg no. Yog li ntawd, lub npe Japanese raug xaiv, txij li ntau hom loj hlob hauv Nyiv.tsob ntoo no. Elie-Abel Carrière, tus kws tshawb fawb, yog thawj tus siv lub npe niaj hnub Canadian hemlock hauv xyoo 1855.
Zoo
Ua tsaug rau lub khob hliav qab dav ntawm cov ceg ntoo nyias nyias, tsob ntoo muaj lub ntsej muag zoo nkauj. Lub siab, txawm lub cev yog yuav luag ob feem peb ntawm nws qhov ntev tsis muaj ceg. Hauv ib tsob ntoo neeg laus, lub cev txoj kab uas hla tuaj yeem ncav cuag 120 centimeters, nws maj mam nqaim mus rau saum. Thaum hluas, cov tawv ntoo yog reddish los yog xim av xim av, darkening nrog lub hnub nyoog thiab ntxiv ib tug greyish tint. Hauv cov ntoo laus, cov nplai ntawm cov tawv ntoo maj mam tev tawm. Lub bark nws tus kheej ua ntxhib, nrog tob furrows thiab tuaj yeem ncav cuag 2 centimeters tuab. Cov koob yog me me, flattened, tsaus ntsuab saum toj thiab sib dua hauv qab. Canadian hemlock buds me me thiab poob zoo.
Kev pabcuam ntawm tus txiv neej
Hauv North America, tsob ntoo tau pom daim ntawv thov dav heev. Nws yog siv nyob rau hauv ntau ntim nyob rau hauv woodworking kev lag luam nyob rau hauv Canada thiab lub tebchaws United States, ntau cov ntaub ntawv thiab cov ntawv lag luam nyob rau hauv cov teb chaws no siv nws cov ntoo ua raw khoom rau zus tau tej cov ntawv thiab cardboard. Canadian hemlock kuj tseem siv rau hauv cov tshuaj thiab kev tsim cov tshuaj pleev ib ce. Saunas yog sheathed nrog ib tug plank ntawm tsob ntoo no, thiab tannin yog muab rho tawm los ntawm cov tawv ntoo, uas yog siv nyob rau hauv tawv kev lag luam raws li ib tug tannin, thiab tej yam ntuj tso dyes rau cov xim tom ntej ntawm daim tawv nqaij.
Canadian hemlock Nana
tsob ntoo qeeb qeeb no tau siv rau hauv kev tsim toj roob hauv pes hauv Tebchaws Europe txij li xyoo 19th. Nrog rau qhov siab txog li 1 metercrown loj hlob mus txog 2 meters nyob rau hauv lub cheeb. Nws hlob qeeb, qhov kev loj hlob txhua xyoo tsuas yog 4 centimeters. Xav zoo ob qho tib si nyob rau hauv lub hnub thiab nyob rau hauv ntxoov ntxoo, ntse tolerates Frost. Siv nyob rau hauv parterre lawns, heather vaj thiab rocky cheeb tsam ntawm parkland.
Serbian spruce
Nov yog ib yam uas loj hlob sai tshaj plaws ntawm spruce. Qhov nqaim crown thiab upcurved openwork ceg muab tsob ntoo zoo nkauj, uas yog kho los ntawm ob-tone koob. Ib qho zoo nkauj bluish-ntsuab kho kom zoo nkauj yog ntxiv los ntawm graceful ntshav-xim av buds. Saib zoo ob leeg ib leeg thiab ua ke nrog lwm hom ornamental spruce.
