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Berberis vulgaris L.
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Barberry
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Berberidaceae
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Transversal section |
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Ring-porous to semi-ring-porous. Growth ring boundaries undulating. Earlywood pore ring discontinuous. Latewood pores and vascular tracheids in clusters with a diagonal to dendritic orientation. Parenchyma diffuse, apotracheal. |
           
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Radial section |
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Simple perforation plates. Distinct spiral thickenings in vessels and vascular tracheids. Homogeneous rays, occasionally heterogeneous with one or two enlarged marginal cells. Libriform fibres present, fibre-tracheids absent. |
   
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Tangential section |
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Rays 5- to 7-seriate, rarely narrower or wider, very rarely uniseriate rays. Sheath cells occasionally present. Ray height up to 10 mm. |
   
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Key characters |
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Ring-porous. In latewood clusters of pores and vascular tracheids with a diagonal to dendritic orientation. Wide, high rays, generally homogeneous. Simple perforation plates, spiral thickenings. |
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