Porosity |
5. Diffuse-porous |
Vessel arrangement |
7. Diagonal and/or radial pattern |
Vessel grouping |
9. Exclusively solitary (90% or more) |
Solitary vessel outline |
  |
Perforation plate |
13. Simple |
Intervessel pits |
  |
Intervessel pit size |
  |
Vestured pits |
29. 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 |
42. 100〜200 μm |
Vessel frequency in no./mm2 |
46. <5 47. 5-20 |
Mean vessel element length |
  |
Tyloses and deposits in vessels |
56. Tyloses common |
Wood vesselless |
  |