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With labels
Legend:
1 sclerenchyma
3 cambium
4 secondary xylem
5 primary xylem
2 phloem
6 pith
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English name: Elderberry
Scientific name: Sambucus sp.
Familia: Caprifoliaceae
Classis: Dicotyledonas
Phylum: Angiospermae
Regnum: Plantae
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| The most centrally located xylem has be formed first. This tissue is called primary xylem because it belonged to the vascular bundle that was formed during early primary growth. The xylem vessels aligned in rows is derived from the fascicular cambium and is secondary-type xylem |