North America tau suav tias yog qhov chaw yug ntawm cov nroj tsuag ntsuab ntsuab ntawm genus cypress, lawv kuj pom nyob rau sab hnub tuaj Asia. Lawv txawv los ntawm cov yas siab nyob rau hauv daim ntawv ntawm lub khob hliav qab thiab cov ceg ntoo, uas tau npog nrog cov tawv ntoo xim av, tawg mus rau hauv nyias strips.
Cov genus suav nrog 7 hom, feem ntau ntawm lawv hauv kab lis kev cai yog ntau yam "Pea-bearing cypress". Tag nrho cov nroj tsuag ntawm no genus yog cov zoo nkauj heev, muaj ib tug zoo nkauj tsos, txawv qhov ntau thiab tsawg thiab xim ntawm koob. Lawv tau cog cag zoo hauv Tebchaws Europe, tab sis nyob rau hauv Russia nthuav dav, qhov chaw huab cua hnyav dua, qhov no tseem muaj teeb meem.
Pea cypress
Qhov no yog cov nroj tsuag dav hauv Nyij Pooj Islands ntawm Honshu thiab Hokkaido, loj hlob hauv hav zoov coniferous broadleaf. Nyob rau hauv roob toj siab nws pom muaj txog li 500 meters saum toj no hiav txwv theem. Nws loj hlob zoo nyob rau hauv cov av noo, tab sis tsis noj paus zoo nyob rau hauv calcareous sawv daws yuav. Nws yog ib tsob ntoo ntawm qhov siab zoo nrog lub khob hliav qab-zoo li tus crown, nyob rau hauv uas cov ceg outstretched yog muab tso rau horizontally. Cov tawv tawv du muajliab liab. Nyob rau hauv nws tej vaj tse, nws reproduces los ntawm noob. Ua tsis tau zoo tiv taus huab cua tsis txaus.
Kev hwm thiab siv
Nyob rau hauv Nyiv, taum pauv cypress yog ib qho ntawm cov nroj tsuag muaj kev hwm tshaj plaws. Nws feem ntau cog nyob ze cov tuam tsev, nyob ib sab ntawm cov tsev teev ntuj thiab ib puag ncig cov tsev. Nws yog siv tsis tau tsuas yog nyob rau hauv pab pawg neeg cog, tab sis kuj nyob rau hauv ib leeg. Ib tug loj ntau yam ntawm cov ntaub ntawv, ib tug ncaj siab tsis kam ntawm ib co ntawm lawv rau Frost thiab tsawg humidity ua rau nws muaj peev xwm mus nthuav loj ciam teb ntawm cultivation. Kev nplua nuj ntawm cov ntaub ntawv zoo nkauj tau pab txhawb rau qhov tseeb tias pea cypress pib siv ntau zaus. Nyob rau hauv Nyiv, lawv tau tswj kom coj tawm ntau tshaj li ib puas ntau yam ntawm tsob ntoo no. Feem ntau ntawm lawv muaj cov ntaub ntawv zoo nkauj zoo nkauj. Yuav luag ob lub teb cog lus ntau yam ntawm cov nroj tsuag zoo no tau ua tiav kev sim hauv central Russia. Ntau tus ntawm lawv tau qhia lawv qhov zoo tshaj plaws, ua kom pom tseeb qhov kev ntseeg siab hauv peb cov huab cua nyuaj.
Pea cypress "boulevard"
Cov cultivar no muaj xws li zoo heev ornamental zoo uas nws yog bred txawm ib co unreliability. Txawm hais tias nws lub neej ncua ntev tsis tshaj kaum xyoo, nrog kev saib xyuas kom zoo, nws tuaj yeem txaus siab rau tus neeg saib xyuas ob zaug ntau dua. Thiab txij li thaum "boulevard" raug txiav zoo kawg nkaus, lub sijhawm no koj tuaj yeem muaj sijhawm los loj hlob ntau cov noob tshiab. RauQhov no ntau yam yog characterized los ntawm ib tug ntom crown ntawm ib tug blunt-conical duab. Qhov nruab nrab tsob ntoo siab yog li 1 meter, zoo li nws tau tsim tshwj xeeb rau cov vaj me me. Nws qhov zoo:
- qhov xav tau tshaj plaws yog midi;
- mob nyiaj-xiav koob;
- zoo saib ntom ntom;
- nce toj tsis tu ncua.
Lawson's cypress
Loj hlob hauv California thiab Oregon. Ib tsob ntoo loj txog li 60 meters hauv qhov siab thiab mus txog ib thiab ib nrab meters hauv txoj kab uas hla. Nws muaj ib lub pob tw thiab ib lub cone-puab crown. Ntoo muaj ib tug qab ntxiag tsw thiab ib tug reddish xim. Koob-zoo li koob thiab lub teeb xim av kheej kheej cones. Muaj cov txiaj ntsig hauv qab no:
- shade-tolerant;
- tsis ua raws li av;
- windproof;
- tuaj yeem tiv taus txog 20 degrees hauv qab xoom.
