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Datura stramonium
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Asterids
Order: Solanales
Family: Solanaceae
Genus: Datura
See text below

Datura is a genus of nine species of vespertine flowering plants belonging to the family Solanaceae. Its precise and natural distribution is uncertain, owing to its extensive cultivation and naturalization throughout the temperate and tropical regions of the globe. Its distribution within the Americas, however, is most likely restricted to the United States and Mexico, where the highest species diversity occurs.

Some South American plants formerly thought of as Daturas are now treated as belonging to the distinct genus Brugmansia[1] {this genus differs in being woody, making shrubs or small trees, and in having pendulous flowers}. Other related genera include Hyoscyamus and Atropa.



Datura are herbaceous, leafy annuals and short-lived perennials which can reach up to 2 meters in height. The leaves are alternate, 10–20 cm long and 5–18 cm broad, with a lobed or toothed margin. The flowers are erect or spreading (not pendulous like those of the closely allied Brugmansia), trumpet-shaped, 5–20 cm long and 4–12 cm broad at the mouth; colors vary from white to yellow, pink, and pale purple. The fruit is a spiny capsule 4–10 cm long and 2–6 cm broad, splitting open when ripe to release the numerous seeds. The seeds disperse freely over pastures, fields and even wasteland locations.

Datura belongs to the classic "witches' weeds," along with deadly nightshade, henbane, and mandrake. Most parts of the plants contain toxic hallucinogens, and Datura has a long history of use for causing delirious states and death. It was well known as an essential ingredient of love potions and witches' brews.[2]

Common names include Thorn Apple (from the spiny fruit), Pricklyburr (similarly), Jimson Weed, Moonflower, Hell's Bells, Devil's Weed, Devil's Cucumber, and Devil's Trumpet, (from their large trumpet-shaped flowers). Nathaniel Hawthorne refers to one type in The Scarlet Letter as Apple-Peru. The word datura comes from the Hindi Dhatūrā (thorn apple); record of this name dates back to 1662 (OED). In Tamil it is called "oomathai" (ஊமத்தை). In Oriya it is called "Dudura".

Datura species are food plants for the larvae of some Lepidoptera (butterfly and moth) species including Hypercompe indecisa.

Species and cultivars

It is difficult to classify a datura as to its species, and it often happens that descriptions of new species are accepted prematurely. Later it is found that these "new species" are simply varieties that have evolved due to conditions at a specific location. They usually disappear in a few years. Contributing to the confusion are the facts that various species such as D. wrightii and D. inoxia are very similar in appearance, and that the variation within a species can be extreme. For example, Datura have the interesting property of being able to change size of plant, size of leaf, and size of flowers, all depending on location. The same species, when growing in a half-shady damp location can develop into a magnificent flowering bush half as tall as a person, but when growing in a very dry location will only grow into a thin little plant just higher than his ankles, with tiny flowers and a few miniature leaves.[2]

Today, experts classify only nine species of Datura:[2]

American Brugmansia & Datura Society, Inc. (ABADS), is designated in the 2004 edition of the International Code of Nomenclature for Cultivated Plants as the official International Cultivar Registration Authority for Datura. This role was delegated to ABADS by the International Society for Horticultural Science in 2002.


D. inoxia with ripe, split-open fruit

Datura are usually planted annually from the seed produced in the spiny pods, but with care, plants can be overwintered. Most species are suited to being planted outside or in containers. As a rule, they need warm, sunny places and soil that will keep their roots dry. When grown outdoors in good locations, the plants tend to reseed themselves and may become invasive. In containers, they should have porous, aerated potting soil with adequate drainage. The plants are susceptible to fungi in the root area, so organic enrichers such as compost and manure should be avoided.[2]


All Datura plants contain tropane alkaloids such as scopolamine, hyoscyamine, and atropine, primarily in their seeds and flowers. Because of the presence of these substances, Datura has been used for centuries in some cultures as a poison and hallucinogen.[2][3] There can be a 5:1 toxin variation across plants, and a given plant's toxicity depends on its age, where it is growing, and the local weather conditions. This variation makes Datura exceptionally hazardous as a drug. In traditional cultures, a great deal of experience with, and detailed knowledge of, Datura was critical in order to minimize harm.[2] Many tragic incidents result from modern recreational users ingesting Datura. For example, in the 1990s and 2000s, the United States media contained stories of adolescents and young adults dying or becoming seriously ill from intentionally ingesting Datura.[4][5] There are also several reports in the medical literature of deaths from Datura stramonium and Datura ferox intoxication.[6][7][8] Children are especially vulnerable to atropine poisoning, and their prognosis is likely to be fatal.[9][10] In some parts of Europe and India, Datura has been a popular poison for suicide and murder. From 1950–1965, the State Chemical Laboratories in Agra, India investigated 2,778 deaths that were caused by ingesting Datura.[2]

Effects of ingestion

Due to the potent combination of anticholinergic substances it contains, Datura intoxication typically produces effects similar to that of an anticholinergic delirium: a complete inability to differentiate reality from fantasy (delirium, as contrasted to hallucination); hyperthermia; tachycardia; bizarre, and possibly violent behavior; and severe mydriasis with resultant painful photophobia that can last several days. Pronounced amnesia is another commonly reported effect.

According to the drug information site Erowid, no other substance has received as many "Train Wreck" (i.e., severely negative experience) reports as has Datura,[11] noting that "the overwhelming majority of those who describe to us their use of Datura (and to a lesser extent, Belladonna, Brugmansia and Brunfelsia) find their experiences extremely mentally and physically unpleasant and not infrequently physically dangerous."

The full listing of reports can be found at Numerous stories of Datura-related deaths and critical illnesses can also be found at the Lycaeum Datura Index here.


Due to their agitated behavior and confused mental state, victims of Datura poisoning are typically hospitalized. Gastric lavage (stomach pumping) and the administration of activated charcoal can be used to reduce the stomach's absorption of the ingested material. The drug physostigmine is used to reverse the effect of the poisons. Benzodiazepines can be given to curb the patient's agitation, and supportive care with oxygen, hydration, and symptomatic treatment is often provided. Observation of the patient is indicated until the symptoms resolve, usually from 24–36 hours after ingestion of the Datura.[12]

See also


  1. ^ Hawkes, J.G. (ed.); R.N. Lester, M. Nee, N. Estrada (1991). Solanaceae III – Taxonomy, Chemistry, Evolution (Proceedings of Third International Conference on Solanaceae). Royal Botanic Gardens, Kew. pp. 197–210. ISBN 0947643311.  
  2. ^ a b c d e f g Preissel, Ulrike; Hans-Georg Preissel (2002). Brugmansia and Datura: Angel's Trumpets and Thorn Apples. Buffalo, New York: Firefly Books. pp. 106–129. ISBN 1-55209-598-3.  
  3. ^ Adams, Jr., James D.; Cecilia Garcia (2005-10-10). "Spirit, Mind and Body in Chumash Healing". Evidence-based Complementary and Alternative Medicine 2 (4): 459–463. doi:10.1093/ecam/neh130. PMID 16322802. Retrieved 2008-01-21.  
  4. ^ "Suspected Moonflower Intoxication (Ohio, 2002)". CDC. Retrieved September 30, 2006.  
  5. ^ "Jimson weed users chase high all the way to hospital". USA TODAY. Retrieved February 15, 2009.  
  6. ^ Michalodimitrakis M, Koutselinis A. (1984). Discussion of "Datura stramonium;" a fatal poisoning." J Forensic Sci. 29:961–962.
  7. ^ Boumba VA, Mitselou A, Vougiouklakis T. Fatal poisoning from ingestion of Datura stramonium seeds. Vet Hum Toxicol.46:81–82.
  8. ^ Steenkamp PA, Harding NM, van Heerden FR, van Wyck BE. (2004). Fatal poisoning: identification of atropine and scopalamine by high performance liquid chromatography/photoiodide array/mass spectrometry. Forensic Sci Int. 145:31–39.
  9. ^ Taha SA. (1984). Datura intoxication in Riyadh. Trans R Soc Trop Med Hyg. 78(1):134–135.
  10. ^ Djibo A, Bouzou SB. (2000). [Acute intoxication with "sobi-lobi" (Datura). Four cases in Niger]. Bull Soc Pathol Exot. 93:294–297.
  11. ^, "Ask Erowid". Retrieved 17 JAN 08
  12. ^ Bliss, Molly (2001-03). "Datura Plant Poisoning". Clinical Toxology Review 23 (6). Retrieved 2009-10-12.  

External links


Up to date as of January 15, 2010

Definition from Wiktionary, a free dictionary


Proper noun

Wikipedia has an article on:



  1. a taxonomic genus, within family Solanaceae - the thorn apples
Wikispecies has information on:



  • Bulgarian: татул


Up to date as of January 23, 2010

From Wikispecies


Classification System: APG II (down to family level)

Main Page
Cladus: Eukaryota
Regnum: Plantae
Cladus: Angiospermae
Cladus: Eudicots
Cladus: core eudicots
Cladus: Asterids
Cladus: Euasterids I
Ordo: Solanales
Familia: Solanaceae
Subfamilia: Solanoideae
Genus: Datura
Species: D. ceratocaula - D. discolor - D. ferox - D. inoxia - D. kymatocarpa - D. lanosa - D. leichhardtii - D. metel - D. pruinosa - D. quercifolia - D. reburra - D. stramonium - D. wrightii


Datura L., 1753

Vernacular names

Deutsch: Stechapfel
Македонски: Татула
Svenska: Spikklubbesläktet
Türkçe: Tatula, Boru çiçeği
中文: 曼佗羅

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