| Transverse section through the stem of a dicot |
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Legend:
1 epiderm
3 cortex parenchyma
4 central cylinder parenchyma
5 vascular bundles
7 protoxylem
8 phloem
9 sclerenchyma
2 collenchyma
6 metaxylem
10 cambium
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English name: Sunflower
Scientific name: Helianthus sp.
Familia: Compositae
Classis: Dicotyledonas
Phylum: Angiospermae
Regnum: Plantae
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| Transverse section through the stem of a dicot. At the end of the primary growth a cambium layer is formed between the xyleme and the phloem, which builds a closed ring. This is the onset of secondary growth in which xylem (to the inner side) and phloem (to the outer side) arise from the cambium. |
