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Transverse section through an old dicot root

Legend:

1  degenerating cortex
3  xylem
2  phloem

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

Transverse section through an old dicot root