| Sclereid in the chlorenchym of the leaf of a water lily |
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Legend:
1 mesophyll
3 lumen of a sclereid
4 cell wall with spikes
2 air cavity (intercellular space)
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English name: Water lily
Scientific name: Nymphaea sp.
Familia: Nymphaeaceae
Classis: Dicotyledonas
Phylum: Angiospermae
Regnum: Plantae
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| The large air cavities at the lower side of the leaf of a water lily contain sclereids. These are fiber-like, branching epidermal cells that make the leaf less attractive to visitors like leaf-eating insects. Therefore the cell lumen is small and the cell walls are strong and thick and exhibit protruding lobes at their surface, which are very hard. |