Stomata - Arborvitae

Images made through a microscope. All subject types.

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Walter Piorkowski
Posts: 693
Joined: Mon Aug 14, 2006 6:42 pm
Location: South Beloit, Ill

Stomata - Arborvitae

Post by Walter Piorkowski »

Image

Image 1 - Stomata from the leaf of Thuja occidentalis or the eastern arborvitae. The epidermal surface of the leaf is shown with eight stomas. The elliptical stomatal pit and the surrounding Florin ring are displayed. One at center left appears to be open, showing some internal details. Leitz UO 50x objective. FOV approx. 250 microns. EPI illumination.

Image

Image 2 - Stomata from the eastern arborvitae residing in the stomatal zone on the underside of the leaf. Leitz UO 22x objective. FOV approx. 0.6 mm. EPI illumination.

I planted some ornamental eastern arborvitae in my back yard and took a look to find it’s stomata. What I found differs from the leaves of deciduous trees. The arborvitae is also called the Northern white cedar, a evergreen coniferous tree in the cypress family. It retains its leaves for several years. I plan to check out cedar and cypress trees in the future to see how their stomata compare.

Walt

Leitz Ortholux, Canon 50D,
Zerene Stacker, PhotoShop

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