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Transverse section of the outer portion of the Allium root
	- Large (114 Kb) - Scroll down to information With labels Legend: 1 epidermis 3 cortex 2 exodermis
English name: Onion Scientific name: Allium cepa Familia: Liliaceae Classis: Monocotyledonas Phylum: Angiospermae Regnum: Plantae
The epidermis is and the exodermis, the outer layer of cortical cells, has taken over the function of the epidermis.

last modified: 5 Jun 2014