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Lenticel in the bark of a young elderberry (presence of cork and collenchyma)
	- Large (146 Kb) - Scroll down to information With labels 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.