poisons of plant origin

2. Datura plant
Datura Capsule (Fruit, Datura pod or Thorn-apple):
- Color : Green in color (when fresh) and yellowish brown when dry.
- Surface : Thorny surface.
- Content: Contain datura seeds (brown or black).
- Rounded, large pod when ripe it opens delivering the seeds.
- Toxicity: It is the most toxic part of the plant and contains 3 atropic alkaloids :
atropine , hyoscine and hyoscyamine.

3. Datura stramonium seed
 Size: 3-4 mm. long.
 Shape: kidney-shaped.
 Surface: Roughly mamillated.
 Color: Black in color
 D.D. : It should be differentiated from datura fastiosa seeds and
edible non poisonous black seeds( onion seeds).

4.  Size: 3-5 mm. long.
 Shape: Kidney-shaped, double contoured (two ridges at the
convex border).
 Surface: Roughly mamillated.
 Color: brown
 D.D.: It should be differentiated from datura stramonium seeds and
edible non poisonous brown seeds( sesam seeds,capsicum
&eggplant seeds seeds).

6.  Size: Small 1-3 mm.
 Shape: Subreniform or traingular .
 Surface: Reticulated.
 Color: Brown .
 Toxicity: They are posionous because they contain 3
alkaloids (atropine, hyoscyamine and hyoscine).
 D.D.: Hyoecyamus seeds should be differentiated from:
poppy seeds.

8.  Size: Very small 1-2 mm in length.
 Shape: Kidney
 Surface: Reticulated.
 Color: Yellowish white in (sometimes grayish).
 Toxicity: Not toxic, they are devoid of opium.
 D.D. : Hyoscyamus seeds

18.  Shape: Same as croton seed in size and shape.
 Size: 1 cm
 Color: Brown coloration with grey mosaic appearance.
 Toxicity: The expressed oil is not poisonous; it is used as a
mild laxative.
The residue after squeezing the oil is highly poisonous
because it contains a toxalbumin causing haemolysis of
blood like snake venom.
 D.D. : seed of croton oil.

20.  This is the most common part of aconite plant
encountered in poisoning.
 Shape: Conical in arched, shriveled with longitudinal
wrinkles and daughter rootlets.
 Color: Brown externally but creamy white internally.
 Toxicity: Causes tingling followed by numbness when put on
the tip of the tongue.
 “Aconitine” is the active principle of the plant, which is one
of the most powerful alkaloids.
 D.D. : Jalap root.

21.  Shape: Cylindrical or fusiform in with no wrinkles
on its external surface daughter rootless
 Color: dark brown in externally & internally.
 Taste: Its taste is pungent, causing no tingling.
 Toxicity: Used as a drastic purgative (abortifacient).
 D.D. : Aconite root.