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Leaf thickness trait

Formal name:  leaf thickness trait
Local identifier:  TOP19
Definition:  the thickness (PATO:thickness) of a leaf (PO:leaf) or component thereof, i.e. leaf lamina or leaf midvein (PO:leaf lamina, PO:leaf midvein)
Formal Unit:  length unit

Comment:  when known, the component of the leaf on which the measurements have been taken should be specified: leaf, leaf lamina, leaf mesophyll (PO:leaf mesophyll), leaf midvein
Reference:  Eric Garnier, Jens Kattge, Stefan Klotz, Ingolf Kühn, Ulrike Stahl