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Tilia cordata Mill.
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Small-leaf Lime
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Tiliaceae
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Transversal section |
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Diffuse- to semi-ring-porous. Pores often in radially oriented files and clusters. Pores slightly polygonal. Growth ring boundaries marked by 2 to 3 rows of thick-walled, radially flattened cells and distinctly flaring rays. Apotracheal parenchyma generally in short, uniseriate, oblique to tangential bands, often also terminal. |
        
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Radial section |
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Simple perforation plates. Conspicuous spiral thickenings in vessels. Generally homogeneous rays, occasionally also with a row of square marginal cells. Uniseriate rays generally composed of upright cells. Ground tissue predominantly composed of libriform fibres, seldom fibre-tracheids. Ray-vessel pits numerous and small. |
 
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Tangential section |
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Rays generally bi- to 4-seriate, rarely 5- to 6-seriate. Ray height very variable, often up to 10 cells, sometimes up to 50 or more cells. Ray cells small, axial-oval. |
 
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Key characters |
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Diffuse-porous. Radially orientated pore files and clusters. 3- to 4-seriate homogeneous rays. Rays flare along growth ring boundaries. Perforation plates simple. Distinct spiral thickenings. |
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Remarks |
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The wood of the two species T. cordata and T. platyphyllos cannot be differentiated on the basis of their wood anatomy. |
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