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Young stem
Legend:
1 epidermis
3 primary phloem
4 fascicular cambium
5 interfascicular cambium
7 pith
2 cortex
6 primary xylem
English name: Castor bean
Scientific name: Ricinus communis
Familia: Euphorbiaceae
Classis: Dicotyledonas
Phylum: Angiospermae
Regnum: Plantae
Young stem at the end of primary growth. A closed ring of cambium arises between xylem and phloem. This is the beginning of secondary growth.
Proceed to mature secondary growth or view a detail of the present stage.