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Common names: Jimsonweed, Jimson weed, Thornapple, Devil's snare, Datura, Thornapple, Moonflower, Toloache, Devil’s trumpet, Devil’s weed, Jamestown weed, Stinkweed, Locoweed, Pricklyburr, Devil’s cucumber. | Common names: Jimsonweed, Jimson weed, Thornapple, Devil's snare, Datura, Thornapple, Moonflower, Toloache, Devil’s trumpet, Devil’s weed, Jamestown weed, Stinkweed, Locoweed, Pricklyburr, Devil’s cucumber. | ||
Datura stramonium is an anticholinergic plant that contains two main toxic alkaloids, atropine and scopolamine which are toxic if ingested and may be fatal if ingested by humans and other animals. | [[File:Skull and crossbones1.jpg|frameless|upright 2.25]]Datura stramonium is an anticholinergic plant that contains two main toxic alkaloids, atropine and scopolamine which are toxic if ingested and may be fatal if ingested by humans and other animals. | ||
Datura stramonium it is believed to have originated in the Americas but is now found around the world. In New Zealand, Datura stramonium is an annual weed of gardens, roadsides and other waste or cultivated land. It is a foul-smelling, erect, annual, freely branching herb that forms a bush up to >150 cm tall.<br /> | Datura stramonium it is believed to have originated in the Americas but is now found around the world. In New Zealand, Datura stramonium is an annual weed of gardens, roadsides and other waste or cultivated land. It is a foul-smelling, erect, annual, freely branching herb that forms a bush up to >150 cm tall.<br /> | ||
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This plant is listed on the Regional Pest Management Strategies in some regions. | This plant is listed on the Regional Pest Management Strategies in some regions. | ||
[ | [[File:Datura stramonium.jpg|frameless|upright 2.25]] | ||
A new flower opening.<br /> | A new flower opening.<br /> | ||
[[File:Datura stramonium-002.jpg|frameless|upright 2.25]] | |||
Datura stramonium trumpet-like flower[[File:Datura str tat6.JPG|frameless|upright 2.25]] | |||
Datura stramonium trumpet-like | |||
The distinctive coarsely toothed leaf.<br /> | The distinctive coarsely toothed leaf.<br /> | ||
[[File:Datura stramonium-006.jpg|frameless|upright 2.25]] | |||
The spiny, egg-shaped fruit[[File:Datura stramonium Thornapple-9.JPG|frameless|upright 2.25]] | |||
[[File:Datura stramonium Thornapple-8.JPG|frameless|upright 2.25]] | |||
[ | |||
Ripe seed capsule<br /> | Ripe seed capsule<br /> | ||
[ | [[File:Datura stramonium Thornapple-1.JPG|frameless|upright 2.25]] | ||
Seed capsule opened up showing the small black seeds<br /> | Seed capsule opened up showing the small black seeds<br /> | ||
[ | [[File:Datura stramonium Thornapple-2.JPG|frameless|upright 2.25]] | ||
An empty seed capsule late July<br /> | An empty seed capsule late July<br /> | ||
[ | [[File:Thornapple Datura stramonium.JPG|frameless|upright 2.25]] | ||
Thanks to Wikipedia for text and information: [https://creativecommons.org/licenses/by-sa/3.0/%20 https://creativecommons.org/licenses/by-sa/3.0/ ] | Thanks to Wikipedia for text and information: [https://creativecommons.org/licenses/by-sa/3.0/%20 https://creativecommons.org/licenses/by-sa/3.0/ ] | ||
<br /> | <br /> | ||
Latest revision as of 11:44, 24 September 2019
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Asterids
Order: Solanales
Family: Solanaceae
Genus: Datura
Species: D. stramonium
Binomial name: Datura stramonium
Synonyms: Datura inermis, Datura stramonium var. chalybea, Datura stramonium var. tatula, Datura tatula
Common names: Jimsonweed, Jimson weed, Thornapple, Devil's snare, Datura, Thornapple, Moonflower, Toloache, Devil’s trumpet, Devil’s weed, Jamestown weed, Stinkweed, Locoweed, Pricklyburr, Devil’s cucumber.
Datura stramonium is an anticholinergic plant that contains two main toxic alkaloids, atropine and scopolamine which are toxic if ingested and may be fatal if ingested by humans and other animals.
Datura stramonium it is believed to have originated in the Americas but is now found around the world. In New Zealand, Datura stramonium is an annual weed of gardens, roadsides and other waste or cultivated land. It is a foul-smelling, erect, annual, freely branching herb that forms a bush up to >150 cm tall.
The pinnate venated leaves are very broad and coarsely toothed and are up to 20cm long. The upper surface of the leaves is green with undersides a paler green.
Wide, white, long funnel-shaped flowers (>9 cm long) are produced throughout summer. Some plants produce flowers with purple or lilac centres and these are referred to as Datura stramonium var. chalybaea (syn. D. stramonium var. tatula). The flowers first grow upright, and later incline downwards. The flowers open at night, emitting an intense night fragrance, which attracts night-flying moths.
The egg-shaped seed capsule is 3–8 cm in diameter and are either covered with spines or are bald. The plants producing the bald capsules are referred to as D. stramonium var. inermis. At maturity, the fruit splits into four chambers, each with dozens of small, black seeds. The seeds are dispersed by gravity but are also spread when the fruits spines are caught in the hair of animals and carried to other areas. The seeds have hibernation capabilities and can last for years in the soil
This plant is listed on the Regional Pest Management Strategies in some regions.
A new flower opening.
Datura stramonium trumpet-like flower
The distinctive coarsely toothed leaf.
The spiny, egg-shaped fruit
Ripe seed capsule
Seed capsule opened up showing the small black seeds
An empty seed capsule late July
Thanks to Wikipedia for text and information: https://creativecommons.org/licenses/by-sa/3.0/
