Bialbero di Casorzo
The Bialbero di Casorzo (Italian: "double tree of Casorzo"), which is also known as Grana Double Tree, is situated between Grana and Casorzo in Piedmont, Italy. It is a mulberry tree on which a cherry tree grows. The cherry tree rises well above the mulberry tree on which it stands.
Large epiphytes like this one require that the "upper tree" have a root connection to the ground, for example by growing down through a hollow trunk.
- Foer, Joshua. "The Double Tree of Grana". Archived from the original on 19 June 2009. Retrieved 2009-06-18.
- "Asti, due anime in un albero: il prodigio del ciliegio cresciuto sopra il gelso". la Repubblica (in Italian). 7 October 2016. Retrieved 15 August 2019.
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