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Pinus Cembra L.
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Cembran Pine, Swiss Pine, Stone Pine
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Pinaceae
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Transversal section |
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Growth ring boundaries inconspicuous, often undulated, especially near resin canals in latewood. Latewood zone always narrow, tracheids uniformly thin-walled. Transition from early- to latewood gradual. Large resin canals with thin-walled epithelial cells. |
             
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Radial section |
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Tracheid pits almost uniseriate. Rays heterocellular. Walls of ray tracheids thin and smooth. Cross-fields with one to two (rarely up to 3) fenestriform pits. |
   
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Tangential section |
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Average ray hight of rays 5 to 15 cells. Resin canals in rays with thin-walled epithelial cells. |
   
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Key characters |
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Resin canals with thin-walled epithelial cells. Rays with large fenestriform pits, ray tracheids with thin, smooth walls. |
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Remarks |
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This species cannot be distinguished from Pinus strobus on the basis of wood anatomy. |
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