| Initiation of lenticel in the bark of a one year-old elderberry (presenceof collenchyma) |
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Legend:
1 cork
3 lenticel
4 collenchyma
5 parenchyma
7 secondary phloem
8 cambium
9 secondary xylem
2 cork cambium
6 sclerenchyma
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English name: Elderberry
Scientific name: Sambucus sp.
Familia: Caprifoliaceae
Classis: Dicotyledonas
Phylum: Angiospermae
Regnum: Plantae
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| Cross-section through a 1 year-old stem of elderberry. Gas exchange between the inner tissue and the surrounding is only possible at the lenticel, but not in other regions covered by cork. |