A tree growing atop another tree, it’s not a sight that you get to see every day. But here you can know about a unique tree is growing in between Grana and Casorzo in Piemonte, Italy, recognized as the “Double Tree of Casorzo” or Bialbero de Casorzo in Italian. This is a mulberry tree on top of which a cherry tree grows rises well above the mulberry tree on which it stands.

The Double Tree of Casorzo is also recognized as Grana Double Tree. No one exactly knows for the exact reasons how this is happened. Perhaps various bird dropped a seed on top of the mulberry tree, which then grew roots through the hollow trunk of the host tree to reach the soil.


Though trees growing parasitically over another tree are not rare, but they usually do not reach the size and lifespan as seen in this specific example, as there is not adequate humus and space available where they grow. Large “double-trees”, also called Epiphytes, like the Bialbero de Casorzo is a rarity.

Both trees combined together make for an inspiring sight, with their branches spreading 5 meters across. The double tree’s lifespan has been astonishingly long, given the detail that the cherry tree receives all its nourishment via the mulberry tree. Well, though not the only double-tree is probably the most impressive-looking trees in the world.

Both trees are thriving from the same source of nutrients, and yet they are able to share very well.  Indeed Double Tree of Casorzo is  rare  sight  in  the  world. 1 2 3 4 5 6 7 9

Read More – The Lesser Goldfinch (Spinus psaltria) / The Himalayan Cutia / The fire-tailed myzornis / Pando – The One Tree Forest / Great Blue Heron

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