| Transverse section through an old dicot root |
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With labels
Legend:
1 degenerating cortex
3 xylem
2 phloem
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English name: Sunflower
Scientific name: Helianthus annuus
Familia: Compositae
Classis: Dicotyledonas
Phylum: Angiospermae
Regnum: Plantae
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| Transverse section through an old dicot root |