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Lenticel in the bark of a young elderberry (presence of cork and collenchyma)
Legend:
1 epidermis
3 cork cambium
4 collenchyma
5 lenticel
7 parenchyma
8 sclerenchyma
9 secondary phloem
2 cork
6 phelloderm
10 cambium
11 secondary xylem
12 primary xylem
English name: Elderberry
Scientific name: Sambucus sp.
Familia: Caprifoliaceae
Classis: Dicotyledonas
Phylum: Angiospermae
Regnum: Plantae
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.
