The Xylem Database https://www.wsl.ch/dendropro/xylemdb/index.php?TEXTID=1873&MOD=1
and in groups, scalariform perforations with 10-15 bars
and in groups, scalariform perforations with 10-15 bars
and in groups, scalariform perforations with 10-15 bars
and in groups, scalariform perforations with 10-15 bars
small apertures, scalariform perforations with >10 bars
small apertures, scalariform perforations with >10 bars
solitary, perforations simple and scalariform with 6-15 bars
diameter 25-30mµ, scalariform perforations with 5-8 bars
vessels solitary, perforations scalariform with 6-10 bars
vessels solitary, perforations scalariform with 6-10 bars
solitary, perforations simple and scalariform with 6-15 bars