Difference between revisions of "Translations:AY Honors/Agriculture/Answer Key/25/en"
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| image =Urtica-dioica(Blueten).jpg | | image =Urtica-dioica(Blueten).jpg | ||
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| − | | range = ''Urtica'' has a cosmopolitan though mainly temperate distribution. | + | | range = ''Urtica'' has a cosmopolitan though mainly temperate distribution. The most prominent member of the genus is the stinging nettle ''Urtica dioica'', native to Europe, north Africa, Asia, and North America. |
| description =This species have spiny hairs, or stinging trichomes, whose tips come off when touched, transforming the hair into a needle that will inject a cocktail of poisons: acetylcholine, histamine, 5-HT and possibly formic acid. This mix of poisons cause a sting or paresthesia from which the species derives its common name, as well as the colloquial name "7 minute itch". | | description =This species have spiny hairs, or stinging trichomes, whose tips come off when touched, transforming the hair into a needle that will inject a cocktail of poisons: acetylcholine, histamine, 5-HT and possibly formic acid. This mix of poisons cause a sting or paresthesia from which the species derives its common name, as well as the colloquial name "7 minute itch". | ||
| − | | control = Nettles should be trimmed to the ground and then sprayed with glyphosate. | + | | control = Nettles should be trimmed to the ground and then sprayed with glyphosate. If the re-emerge, they should quickly be hit with glyphosate a second time. |
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Latest revision as of 21:14, 20 May 2021
Urtica
| Urtica (Nettle) | |
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Where found: Urtica has a cosmopolitan though mainly temperate distribution. The most prominent member of the genus is the stinging nettle Urtica dioica, native to Europe, north Africa, Asia, and North America.
Description: This species have spiny hairs, or stinging trichomes, whose tips come off when touched, transforming the hair into a needle that will inject a cocktail of poisons: acetylcholine, histamine, 5-HT and possibly formic acid. This mix of poisons cause a sting or paresthesia from which the species derives its common name, as well as the colloquial name "7 minute itch".
Control: Nettles should be trimmed to the ground and then sprayed with glyphosate. If the re-emerge, they should quickly be hit with glyphosate a second time.
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