| Stomata in the leaf of the great spearwort |
 | - Large (75 Kb)
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Legend:
1 epidermis
3 wall thickening
4 guard cell
5 air cavity
2 stomata
6 palisade parenchyma
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English name: Great spearwort
Scientific name: Ranunculus flammula
Familia: Ranunculaceae
Classis: Dicotyledonas
Phylum: Angiospermae
Regnum: Plantae
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| This leaf shows hygromorph characteristics (adaptations to a continuously humid environment). The epidermis is thin, monolayered, and the cuticula is extremely reduced. The stomata protrude at the surface on both adaxial and abaxial side. The supporting tissue is reduced. |