| Palissade and sponge parenchyma in a leaf of petunia |
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1 upper epidermis
3 spongy parenchyma
4 air cavity
2 palisade parenchyma
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English name: Petunia
Scientific name: Petunia sp.
Familia: Solanaceae
Classis: Dicotyledonas
Phylum: Angiospermae
Regnum: Plantae
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| There is a clear distinction between the non-photosynthetic chloroplast-lacking epidermis cells and the chlorenchym (palisade and sponge parenchyma) |