Microscopic Identification of Japanese Woods

Quercus salicina Blume
(Fagaceae)

GROWTH RINGS

Growth ring boundary

1. Distinct

VESSEL

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
Wood vesselless

TRACHEIDS AND FIBRES

Vascular/vascientric tracheids	60. Present
Ground tissue fibres	61. Minutely bordered pits
Helical thickenings
Septate fibres/Parenchyma-like fiber bands	66. Non-septate fibres present
Parenchyma-like fibre bands
Fibre wall thickness	70. Lumina almost completely closed
Mean fibre length

AXIAL PARENCHYMA

Axial Parenchyma
Apotracheal axial parenchyma
Paratracheal axial parenchyma
Banded parenchyma	86. Narrow band < 3 cells wide
Axial paremchyma cell type/strand length	92. 3-4 cells/strand 93. 5-8 cells/strand

RAY PARENCHYMA

Ray Parenchyma width	96. Exclusively uniseriate 99. Larger rays commonly >10 seriate
Aggregate rays	101. Aggregate rays present
Ray height
Rays of two distinct sizes	103. Rays of two distinct sizes
Rays: Cellular composition	104. All ray cells procumbent
Sheath cells
Tile cells
Perforated ray cells
Disjunctive ray parenchyma cell walls
Ray frequency	115. 4-12 rays/mm
Wood rayless

STORIED STRUCTURE

Storied structure

SECRETORY STRUCTURE AND CAMBIAL VARIANTS

Oil cells/ Mucilage cells
Intercellular canals
Tubes/Tubules
Cambial variants

MINERAL INCLUSIONS

Prismatic crystals	136. Prismatic crystals present 138. In procumbent ray cells 142. In chambered AP cells
Druses
Other crystal type
Other diagnostic crystal features	156. Crystals in enlarged cells
Silica