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Tangential section through a basswood stem
Legend:
1 vessel with helical thickenings
2 vessel with thickenings and pits
English name: Basswood/linden
Scientific name: Tilia sp.
Familia: Tiliaceae
Classis: Dicotyledonas
Phylum: Angiospermae
Regnum: Plantae
Spiral-like thickening provide support to sustain the strong underpressure in the xylem vessels
