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Datura

Datura

(Science: botany) a genus of solanaceous plants, with large funnel-shaped flowers and a four-celled, capsular fruit.

The commonest species are the thorn apple (D. Stramonium), with a prickly capsule, white flowers and green stem, and D. Tatula, with a purplish tinge of the stem and flowers. Both are narcotic and dangerously poisonous.

Origin: NL.; cf. Skr. Dhattra, Per. & ar. Tatra, Tatla.


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Re: sporophytic haploids....is it true?

... embryo sac. However, parthenogenetic development of unfertilized eggs can occur, but it is very rare. Haploid sporocytes were first reported in Datura stramonium (q.v.). The frequency of haploid plants can be greatly increased using anther culture (q.v.). Homozygous diploid plants can then be ...

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by sara135
Tue Jul 12, 2011 8:23 am
 
Forum: Botany Discussion
Topic: sporophytic haploids....is it true?
Replies: 6
Views: 7260

Intro to genetics problem.

I am unsure that my answer to this problem is correct please help me. In the plant datura, purple flowers are dominant to white flowers. When a purple-flowered plant is self-pollinated, its progeny are 28 purple-flowered plants and 10 white-flowered plants. What ...

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by BioNoob
Tue Jan 19, 2010 9:17 am
 
Forum: Genetics
Topic: Intro to genetics problem.
Replies: 15
Views: 4341

Brugmansia Candida

Sorry if this is old but, Datura and Brugmansia do not contain an alkaloid anything like LSA or LSD it contains something significantly worse. They contain Atropine alkaloids such as atropane, hyoscyamine and scopolamine. These alkaloids ...

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by kclo4x
Wed Aug 15, 2007 3:09 pm
 
Forum: Botany Discussion
Topic: Brugmansia Candida
Replies: 3
Views: 4458

incorrect plant ID

The hardy native plant that resembles Brugs is Datura Stramonium. (Datura is in the same family as tomotoes and nightshade.) One common name for datura is Angel's Trumpet (Jimson Weed is less poetic) because it contains highly toxic alkaloids. Idiots ...

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by eluned
Wed Jul 13, 2005 9:53 pm
 
Forum: Botany Discussion
Topic: Brugmansia Candida
Replies: 3
Views: 4458


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