English name: Pine Scientific name: Pinus sp. Familia: Pinaceae Classis: Coniferopsida Phylum: Gymnospermae Regnum: Plantae
IThe stomata in needles are sunken below the surface and are masked by the subsidiary cells. Both cell types show specila wall thickenings and are co-involved in closing and opening stomata. The stoma on the left side has been cut medianly while the right one has been sectioned at its edge
