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Detail cross section of an young stem of castor bean
Legend:
1 epidermis
3 collenchyma
2 exodermis
English name: Castor bean
Scientific name: Ricinus communis
Familia: Euphorbiaceae
Classis: Dicotyledonas
Phylum: Angiospermae
Regnum: Plantae
The exodermis is formed from the outer layer of the cortex. Collenchyma is a support tissue
