Stinging Nettle

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Stinging Nettle, Urtica dioica

Stinging nettle or common nettle, Urtica dioica, is a herbaceous perennial flowering plant, is the best-known member of the nettle genus Urtica. Under surface of the leaves have multicellular stinging hairs, which function like hypodermic needles. The toxic material, a combination of acid & antigenic protein, is under pressure; when the “needle” penetrates the skin, the tip breaks and the juice is injected. These chemicals include acetylcholine, histamine and serotonin. Young leaves and shoots are nutritious when boiled.

The main picture was taken with a FUJIFILM brand camera, model FinePix S5700 S700 on Sunday 3rd June 2007 by the Robert & Mihaela Vicol photographers.

As basic settings, an exposure time of 10/4000 (2.5ms ) was used with aperture f/3.5 and the ISO Speed of the camera was 400. Actual focal length of the lens was 2570/100 (25.7mm) with unknown lens model (range).

The actual file size is 1.57 MBytes, resolution is 3072px on the horizontal and 2304px on the vertically and the original (or modified) file name is Stinging-Nettle-Urtica-dioica_16048.jpg (media type is image/jpeg).

The photo original orientation was portret with an X Resolution DPI equal to 72/1 and Y-Resolution DPI equal to 72/1.
Other camera settings (and APEX value) were the lens aperture 360/100, status of flash equal with 24, shutter speed 860/100 and brightness value 520/100 (25.7).

Note: The current image size corresponds to the original version but the original photo orientation it was changed to landscape.

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  1. Pingback: My Gallery » Urtica dioica

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