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Transverse section of a part of the vascular bundle in a dicot stem

Legend:

1  sclerenchyma
2  phloem

English name: Sunflower
Scientific name: Helianthus annuus
Familia: Compositae
Classis: Dicotyledonas
Phylum: Angiospermae
Regnum: Plantae

The sclerenchyma cap that borders the phloem gives extra support tot the tissues