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Alnus viridis DC. | Green Alder | Betulaceae | |
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Transversal section | |||
| Diffuse-porous. Pores in comparison with other Alder species are more scattered, in shorter radial multiples and groups, often clustered. Aggregate rays are absent. Diffuse, apotracheal parenchyma. Pith triangular. |               | ||
Radial section | |||
| Scalariform perforation plates with 10 to 20 bars. Rays homogeneous. Ray-vessel-pits relatively small. Generally ibriform fibres, fibre-tracheids rare. |     | ||
Tangential section | |||
| Uniseriate rays. Average ray height: 8 to 20 cells. |     | ||
Key characters | |||
| Diffuse-porous. Radial pore multiples, scattered. Scalariform perforation plates with 10 to 20 bars. | |||
© / authors / citation / 03.05.06 |
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