Porosity |
5. Diffuse-porous |
Vessel arrangement |
  |
Vessel grouping |
9. Exclusively solitary (90% or more) |
Solitary vessel outline |
12. Angular outline |
Perforation plate |
14. Scalariform 16. with 10-20 bars |
Intervessel pits |
20. Scalariform 21. Opposite |
Intervessel pit size |
  |
Vestured pits |
  |
Vessel-ray pitting |
31. Reduced borders; round/angular 32. Reduced borders; scalariform/palisade |
Helical thickenings in vessel elements |
  |
Tangential diameter of vessel lunima |
40. <50 μm |
Vessel frequency in no./mm2 |
50. >100 |
Mean vessel element length |
  |
Tyloses and deposits in vessels |
56. Tyloses common |
Wood vesselless |
  |