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Detail of corkcambium in root
Legend:
1 cork
3 phelloderm
2 cork cambium
English name: Sunflower
Scientific name: Helianthus annuus
Familia: Compositae
Classis: Dicotyledonas
Phylum: Angiospermae
Regnum: Plantae
Cambium cells only divide (mitotically) in periclinal orientation, giving rise to typical rows of cells
