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Transverse section through the vascular bundle in a dicot stem
Legend:
1 epidermis
3 phloem
4 fascicular cambium
5 xylem
7 pith
2 sclerenchyma cap
6 interfascicular cambium
English name: Sunflower
Scientific name: Helianthus annuus
Familia: Compositae
Classis: Dicotyledonas
Phylum: Angiospermae
Regnum: Plantae
At the end of primary growth procambium cells begin to differentiate to cambium cells, initiating secondary growth.
