WB01705.gif (1157 bytes)  Epidermis-8  WB01704_.gif (383 bytes)

KukuiHabitat200.jpg (35939 bytes)
Kukui Habitat
KukuiLeaf200.jpg (12009 bytes)
Kukui Leaves
KukuiSurfTrich200.jpg (35303 bytes)

It is easy to spot Kukui trees in the forest because their leaves are highly reflective. Trichomes are abundant on the lower surface of the leaves.

 

KuKuiTrich200.jpg (24977 bytes)

The leaf Surface of Kukui is covered with these multicellular Trichomes.

OliveLeafX-S200.jpg (28057 bytes)
Microsection of Olive Leaf

OliveTreeCrown400.jpg (41867 bytes)
Olive Tree
Olive leaves have a silvery appearance. This is due to  large, umbrella-like multicellular trichomes.

OliveScales200.jpg (8175 bytes)

These are the trichomes from Olive leaves. The stalk has been detached by scraping.

TilandsiaPlant200.jpg (25104 bytes)

Tillandsia (Spanish Moss) is an epiphytic flowering plant. It is common in the warm coastal regions of the USA. It is grown in Hawaii as an ornamental. However, it has become a pest species in some tropical areas and should be carefully watched. It is covered with the most spectacular scales that I have ever seen.

TilScaleWholTolBlue.jpg (16833 bytes)

TilscalCtr200.jpg (12441 bytes)

Tillandsia Scale stained with Toluidine Blue. To know ultra-violet, infrared and x-rays, beauty to find in so many ways! When the plants are sprayed with water the scales become translucent and you can see the photosynthetic parenchyma. When the plants dry the scales become white and opaque, thus obscuring the photosynthetic parenchyma.

These scales would make an excellent student Project!!!!!!

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