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Epidermis strip of a pine needle

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stomata (with guard cells)
2  collenchym below epidermis

English name: Pine
Scientific name: Pinus sp.
Familia: Pinaceae
Classis: Coniferopsida
Phylum: Gymnospermae
Regnum: Plantae
The stomata are located in long rows on the flat side of the needle. This arrangement is not only found in needles of gymnosperms, but also in monocots, which however belong to the angiosperms.

last modified: 5 Jun 2014