| Porosity |
4. Semi-ring-porous |
| Vessel arrangement |
|
| Vessel grouping |
|
| Solitary vessel outline |
12. Angular outline |
| Perforation plate |
13. Simple |
| Intervessel pits |
22. Alternate |
| Intervessel pit size |
25. Small: 4-7 μm |
| 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 |
53. 350〜800 μm |
| Tyloses and deposits in vessels |
|
| Wood vesselless |
|