Posts that relate to the Keyword: plant

Virtual microscope: Male flower of a pine tree (Pinus)

The male pine cone (or flower) is responsible for forming pollen. These pollen grains are also visible in the image above. For a zoom-able image of a female pine cone, visit the following link:

Virtual microscope: dandelion parachute

This the the parachute of a dandelion seed. The seed is not shown, it is attached to the long extension on the right. The leaves of the plant are toothed. The name “dandelion” comes from the French “dent-de-lion” meaning “lion’s tooth”. The microscopic observation reveals that the leaves are not the only part of the [...]

Virtual microscope: female pine cone (Pinus)

For more information on the pine cone, have a look at the following post: The specimen size is approximately 20mm from left to right.

Virtual microscope: Aristolochia sipho

If you can not see anything, then you need to install a flash player. The image shows the cross section of the stem of the Aristolochia sipho plant. The image is an inverted (negative) image, and not a dark-field image. Why did I choose to invert the colors? The reason is surprisingly unscientific: it simply [...]

Wood of the Spruce Tree (Picea)

The wood of a spruce tree (whitewood) under the microscope. The annual rings are clearly visible.

Observing Leaf Stomata

It is possible to observe the impression of leaf epidermis cells on white wood glue. The stomata and guard cells are easily visible. The regular shape of the stomata makes it an ideal specimen for practicing drawing.