| Young stem |
 | - Large (213 Kb)
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With labels
Legend:
1 epidermis
3 parenchyma
4 cortex
5 sclerenchyma
7 primary phloem
8 primary xylem
9 pith
2 collenchyma
6 parenchyma
| |
English name: Dutchman's pipe
Scientific name: Aristolochia sp.
Familia: Aristolochiaceae
Classis: Dicotyledonas
Phylum: Angiospermae
Regnum: Plantae
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| 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 |