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Transverse section through a dicot root: outer part

Legend:

1  epidermis
3  vascular cylinder
2  cortex

English name: Broad bean
Scientific name: Vicia faba
Familia: Leguminosae
Classis: Dicotyledonas
Phylum: Angiospermae
Regnum: Plantae

The central cylinder is not fully developed yet. Compare with this early stage with that of a fully developedroot of Ranunculus.