| Old stem |
 | - Large (179 Kb)
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Without labels
Legend:
1 cork
3 sclerenchyma
4 phloem
5 xylem
7 pith
2 cortex
6 ray
| |
English name: Dutchman's pipe
Scientific name: Aristolochia sp.
Familia: Aristolochiaceae
Classis: Dicotyledonas
Phylum: Angiospermae
Regnum: Plantae
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| Cross-section through an old stem with secondary growth. A vascular cambium has been formed which deposits xylem (to the internal side) and phloem (to the external side). The cork cambium under the epidermis forms cork to the outside. |