Cov ntoo dav hlau feem ntau pom nyob rau sab qaum teb hemisphere. Lawv yog tib lub genus ntawm lub dav hlau tsob ntoo tsev neeg. Lawv qhov loj yog muab ua yim hom. Peb ua tib zoo saib peb tus neeg sawv cev zoo tshaj plaws.
Lub dav hlau hom twg yog qhov zoo tshaj plaws?
Peb lub dav hlau zoo tshaj plaws-paub hom ntoo yog tsob ntoo American dav hlau (Platanus occidentalis), maple-leaved dav hlau ntoo (Platanus x hispanica) thiab tsob ntoo Oriental (Platanus orientalis). Cov tsob ntoo no nrov li cov nroj tsuag hauv kev thiab hauv cov chaw ua si, txawm hais tias tsob ntoo maple-leaved dav hlau kuj tsim nyog rau cov vaj tsev ntiag tug.
American Sycamore – Platanus occidentalis
Lwm lub npe yog western plane tree. Hom ntoo no muaj nws lub tsev nyob rau sab hnub tuaj North America. Tam sim no nws tseem tuaj yeem pom ntawm lwm lub teb chaws. Hauv peb lub tebchaws, tsob ntoo dav hlau no feem ntau siv los ua tsob ntoo ornamental hauv cov chaw ua si lossis kev cog qoob loo. Nws tsis haum rau lub vaj vim tias nws siv ntau qhov chaw lossis, hloov pauv, yuav tsum tau txiav ntau zaus.
- tuaj yeem loj hlob mus txog 50 m siab
- mus txog lub cev ncig ntawm ib ncig ntawm 4.5 m
- paj zoo li txhua tsob ntoo dav hlau hauv lub Plaub Hlis thiab Tsib Hlis
- lub teeb ntsuab nplooj yog reminiscent ntawm vine nplooj
Maple-leaved dav hlau tsob ntoo – Platanus x hispanica
Cov nplooj ntawm tsob ntoo dav hlau no yog qhov pom kev nco txog tsob ntoo maple. Qhov ntawd yog lub npe los ntawm. Txawm li cas los xij, ob hom ntoo no tsis cuam tshuam; ntxiv rau qhov zoo sib xws ntawm nplooj, kuj muaj ntau qhov sib txawv. Maple-leaved dav hlau tsob ntoo tau hais tias yog kev sib xyaw ntawm Asmeskas thiab Oriental dav hlau ntoo. Tam sim no nws tau nthuav dav hauv North America, Europe thiab Asia.
- tseem hu ua tsob ntoo sycamore
- tuaj tau 300 xyoo
- siab txog 30 m
- thiab ib txoj kab uas hla ntawm txog 25 m
- cov ceg qis poob nrog hnub nyoog
- nplooj, txog li 25 cm loj, nyob ntsuab kom txog rau thaum lub caij nplooj zeeg lig
Hom kab no feem ntau cog rau hauv nroog hauv cov chaw ua si thiab nyob hauv txoj kev vim nws tiv thaiv huab cua ntau ntxiv.
Tip
Pruning-phooj ywg thiab lub caij ntuj no-hardy dav hlau tsob ntoo kuj tsim nyog rau ib lub vaj ntiag tug. Nws cov yas tuaj yeem txiav tau yooj yim rau hauv lub ru tsev zoo nkauj.
Oriental dav hlau tsob ntoo – Platanus orientalis
Lub dav hlau tsob ntoo no tseem hu ua Oriental plane tree vim tias tsob ntoo nyiam tshav kub yog los ntawm Orient. Lub ntuj faib thaj chaw ntawm Oriental dav hlau tsob ntoo txuas los ntawm Balkans mus rau Syria thiab Iran. Cov Greeks kuj tau muab hom dav hlau tsob ntoo no lub npe philosopher tsob ntoo vim hais tias ntau cov kev sib tham philosophical tau tuav nyob rau hauv nws cov shady crown. Cov no yog lawv cov yam ntxwv ntawm tsob ntoo deciduous:
- mus txog qhov siab nruab nrab ntawm 30 m
- nrog lub cev txoj kab uas hla ntawm 3.5 m
- Coj ib ncig tuaj yeem ncav cuag 50
- Txiv kab pib loj hlob nce mus rau hauv ib lub voj voos
- Thaum peb laus zuj zus, cov ceg qis dua lossis muaj zog tuaj yeem txav mus rau hauv av
- thaum lub caij ntuj sov nplooj yog ntsuab ntsuab
- tinted light brown to bronze in Autumn
Nrog nws qhov dav dav dav, hom ntoo dav hlau no tsis haum rau kev cog qoob loo thiab rau cov vaj me me.
