London plane tree with bumpy stem.

Often, the stem surface of mature London plane trees is bumpy. It has been hypothesized, that this condition could indicate inner defects. Our results, derived from a thorough characterization of the stem surface, tomography, and thermography, do not show such correlation.


Further reading

Wilms L, Rust S (2015) Zusammenhang zwischen der äußeren Form des Stammes und seinem inneren Zustand bei Platane. In: Dujesiefken D (ed.) Jahrbuch der Baumpflege. Haymarket Media, Braunschweig, pp 302–306.