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Radial section through an old stem of Aristolochia


1  cork
3  collenchyma
4  parenchyma 
5  sclerenchyma
7  vascular cambium
8  xylem
9  pith
2  cork cambium
6  phloem
10  ray

English name: Dutchman's pipe
Scientific name: Aristolochia sp.
Familia: Aristolochiaceae
Classis: Dicotyledonas
Phylum: Angiospermae
Regnum: Plantae

In the woody part wide parenchyma rays provide a connection through which transport of water and nutrients remains possible.

last modified: 5 Jun 2014