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单词 jimson weed
释义

jimson weed


jimson weed

(ˈdʒɪmsən) or

jimsonweed

n (Plants) US and Canadian a poisonous solanaceous plant, Datura stramonium, of the N hemisphere, having white funnel-shaped flowers and spiny capsule fruits. Also called (in Britain and certain other countries): thorn apple [C17: from earlier Jamestown weed, from Jamestown, Virginia]

jim•son•weed

(ˈdʒɪm sənˌwid)
n. a coarse, rank weed, Datura stramonium, of the nightshade family, with poisonous oaklike leaves, tubular flowers, and prickly fruit. Compare thorn apple. [1805–15, Amer.; variant of Jamestown weed, after Jamestown, Virginia]
Thesaurus
Noun1.jimson weed - intensely poisonous tall coarse annual tropical weed having rank-smelling foliage, large white or violet trumpet-shaped flowers and prickly fruitsjimson weed - intensely poisonous tall coarse annual tropical weed having rank-smelling foliage, large white or violet trumpet-shaped flowers and prickly fruitscommon thorn apple, Datura stramonium, Jamestown weed, jimsonweed, apple of Peruthorn apple - any of several plants of the genus Datura
Translations
stramoine

Jimson weed


Jimson weed

or

Jamestown weed,

large, coarse annual plant (Datura stramonium) of the family Solanaceae (nightshadenightshade,
common name for the Solanaceae, a family of herbs, shrubs, and a few trees of warm regions, chiefly tropical America. Many are climbing or creeping types, and rank-smelling foliage is typical of many species.
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 family), native to warm-temperate and tropical regions of the New World, but long widely distributed and often weedy. This and other species of the genus contain a narcotic poison, stramonium, similar to that of the related belladonna, that has been used by many peoples for various purposes, e.g., as a medicine (now chiefly inhaled for the relief of asthma or applied externally as a painkiller) and in the past as a poison and an instrument for obtaining prophetic dreams or messages in various tribes. The amusing antics of soldiers in colonial Virginia who ate Jimson weed have been recorded for history. Stramonium, comprised of several alkaloids (e.g., scopolaminescopolamine
or hyoscine
, alkaloid drug obtained from plants of the nightshade family (Solanaceae), chiefly from henbane, Hyoscyamus niger. Structurally similar to the nerve substance acetylcholine, scopolamine acts by interfering with the transmission of nerve
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, atropineatropine
, alkaloid drug derived from belladonna and other plants of the family Solanaceae (nightshade family). Available either as the tincture or extract of belladonna, or as the pure substance atropine sulfate, it is a depressant of the parasympathetic nervous system.
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, and hyoscyamine), may also be obtained from some other species of Datura. Scopolamine is used as a sedative. Jimson weed is classified in the division MagnoliophytaMagnoliophyta
, division of the plant kingdom consisting of those organisms commonly called the flowering plants, or angiosperms. The angiosperms have leaves, stems, and roots, and vascular, or conducting, tissue (xylem and phloem).
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, class Magnoliopsida, order Solanales, family Solanaceae.

jimson weed


Da·tu·ra stra·mo·'ni·um

a species that is the main source of stramonium. Synonym(s): Jamestown weed, jimson weed, stink weed, thorn apple

jimson weed


  • noun

Synonyms for jimson weed

noun intensely poisonous tall coarse annual tropical weed having rank-smelling foliage, large white or violet trumpet-shaped flowers and prickly fruits

Synonyms

  • common thorn apple
  • Datura stramonium
  • Jamestown weed
  • jimsonweed
  • apple of Peru

Related Words

  • thorn apple
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