Wood Anatomy of the Juglandaceae Indigenous to the United States |
Common terms and phrases
2-3 microns arithmetic mean average length cells to complete CHARACTERISTICS AND ANATOMY complete uniseriate sheaths diam diffuse porous encircling the summerwood extremely low FIBER TRACHEIDS moderately genus GROWTH RINGS hand lens Hickory CHARACTERISTICS Juglandaceae Juglans length av light grayish brown lines plainly visible LONGITUDINAL PARENCHYMA terminal medium in length metatracheal and paratracheal metatracheal parenchyma abundant metatracheal-diffuse parenchyma sparse microns in diameter microns in thickness moderately coarse-textured moderately fine av moderately numerous naked eye number of cells orbicular to oval ovata oven-dry paratracheal parenchyma varying parenchyma moderately abundant pinkish cast pits 6-9 microns PORES moderately large PORES moderately small radial multiples RAYS not evident ring porous SAPWOOD nearly white SARG scattered cells seriate solitary sparse to moderately species Specific gravity SPRINGWOOD PORES moderately SUMMERWOOD PORES moderately terminal parenchyma forming Transverse section uniseriate sheaths encircling Upper value varying from scattered VESSEL MEMBERS medium walls 3-6 microns WOOD moderately lustrous