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Juniperus communis L.
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Common Juniper
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Cupressaceae
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Transversal section |
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Growth ring boundaries distinct, gradual transition from earlywood to latewood. Latewood zones generally narrow. No resin canals. Axial parenchyma cells, solitary or arranged in loosely grouped tangential bands, particularly in latewood, contain brown substances. |
          
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Radial section |
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Uniseriate tracheid pits. Rays homocellular, horizontal ray cell walls smooth, sometimes undulated, tangential walls nodular, at junction of horizontal and tangential walls often indentures. No transversal tracheids in rays. Generally cupressoid pits in earlywood. Radial parenchyma cells contain often brown substances. |
   
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Tangential section |
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Average ray height: 2 to 5, sporadically more, rarely up to 20 cells. |
   
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Key characters |
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No resin canals. Parenchyma cells with brown substances in the heartwood. Frequent discontinuous growth rings. |
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Remarks |
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The Juniper species cannot be differentiated on the basis of wood anatomic characteristics. |
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