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Cross-section through the leaf of the great spearwort

Legend:

upper epidermis
3  spongy parenchyma
stomata
5  air cavities
2  palisade parenchyma
6  lower epidermis

English name: Great spearwort
Scientific name: Ranunculus flammula
Familia: Ranunculaceae
Classis: Dicotyledonas
Phylum: Angiospermae
Regnum: Plantae

This leaf shows hygromorph characteristics (adaptations to a continuously humid environment). The epidermis is thin, monolayered, and the cuticle is extremely reduced. The stomata protrude at the surface on both adaxial and abaxial side. The supporting tissue is reduced.

http://www.vcbio.science.ru.nl/en/image-gallery/show/print/labels/PL0290/print/

last modified: 5 Jun 2014