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Cross-section through the leaf of a water lily

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1  upper epidermis
3  spongy parenchyma
4  air cavity (intercellular space)
5  sclereids
7  collenchyma
8  lower epidermis
2  palisade parenchyma
6  middle vein 

English name: Water lily
Scientific name: Nymphaea sp.
Familia: Nymphaeaceae
Classis: Dicotyledonas
Phylum: Angiospermae
Regnum: Plantae
The leaf of water lily floats on water due to the presence of many large intercellular cavities in the chlorenchyma. Sclereids are present in the leaf of this water plant. (see more information on adaptations in leaves in the virtual lesson)

last modified: 5 Jun 2014