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Transverse section through a vascular bundle in a dicot stem

Legend:

1  xylem
3  sclerenchyma
4  vascular cambium
2  phloem

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

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