| Tangential section through the stem of pine: tracheids with bordered pits, torus |
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Legend:
1 bordered pit
2 tracheid
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English name: Pine
Scientific name: Pinus sp.
Familia: Pinaceae
Classis: Coniferopsida
Phylum: Gymnospermae
Regnum: Plantae
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| The primary wall of in pits is permeable for water and minerals |