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jmx

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Everything posted by jmx

  1. The leaves look a lot like Davidia involucrata
  2. jmx

    London tree tour

    Hi, Thanks a lot for your inputs. I am currently hesitating between Gunnersbury Park, Battersea Park and Cannizaro Park. What do you think ? A few links : http://www.treeregister.org/treecollections/london.shtml https://www.forestry.gov.uk/PDF/FCTP007.pdf/$FILE/FCTP007.pdf http://gunnersburyfriends.org/Documents/Heritage Tree Survey Jan 2014 reduced size.pdf
  3. jmx

    London tree tour

    Hi Steve, Yes, only trees accessible by the subway. I am not going to Kew, as I have only half a day.
  4. Hi, I am going to London in a few weeks. Could someone recommend a nice tree tour ? I am interested in rare species, especially oaks. I will move using the subway. Thanks !
  5. I would rather say an elm, possibly ulmus lobel
  6. the second one looks like pterocarya to me.
  7. Do really the hazel leaves belong to the big tree ? For me, hazel doesn't fit with the whithish leaves and the bark.
  8. Maybe its a Ulmus laevis. They are less affected. http://www.resistantelms.co.uk/ulmus-laevis/
  9. looks like Deilephila elpenor
  10. Excellent website, I have learnt a lot there, thanks for sharing
  11. FYI, there is a taxonomic revision regarding sorbus trees https://helda.helsinki.fi/bitstream/handle/10138/230914/Sennikov_Kurtto_2017.pdf?sequence=1 Some new species have been recently identified (and given a name).
  12. Sorbus x thuringiaca ? https://www.florealpes.com/fiche_sorbusxthuringiaca.php
  13. There is a book about that : Tree roots in the built environment
  14. I don't have one. I am just asking for the sake of curiosity, because I am considering planting some.
  15. According to http://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:60450399-2, "The wood is close-grained and easily worked. In India it is carved and used to make pots, boxes, spoons, and the like." According to ,http://www.pfaf.org/User/Plant.aspx?LatinName=Aesculus+indica, "Wood - soft, close grained. Used for construction, cases, spoons, cups etc" This tree has been widely planted in London city parks.
  16. Hi, horse chestnut (Aesculus hippocastanum) timber has quite a poor reputation. Is indian horse chestnut (Aesculus indica) timber any better (for firewood, as well as for other uses) ?
  17. We now know a lot about trees, their association with plenty of bacteria, mushrooms (mycorrhizae), earthworms, the role of the decomposing organic matter that feeds them.... So, how can a tree survive in an urban environment, in the midst of concrete or grass, in a compacted and closed soil, with no decomposing organic matter ? See https://efuf2016.wordpress.com/2016/03/17/resilience/ There are plenty of handsome urban trees. How do they do ?
  18. It's unlikely that those figs will be fertile, though First record in Europe of seedlings of Ficus macrophylla
  19. Oh yes, they look a lot like the figs of Ficus macrophylla actually http://www.virboga.de/Ficus_macrophylla.htm The size, the inside of the fruit, and the pedicel ; everything seems to match... Thanks a lot !
  20. Melia azedarach are the ones on the left side, but I am asking about the ones on the right side.

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