forensic medicine - toxicology - plant toxin -- picture

ricinus communis 
(castor plant, arandi)

(ricin)

croton tiglium (jamalgota)

crotin

fatal dose 3-4  seeds

atropa belladona

yellow oleander

abrus precatorius

sin needle (sui)

abrin

 semecarpus anacardium 

( marking nut)

semicarpol

calotropis

calotropin

used as :-

cattle poison

arrow poison

artificial bruise

dhatura

(hyoscyamine,

hyoscine ,

scopolamine)

cannabis (hashish, marijuana)

bhang- dried leaves
ganja- flowering tops of female plant
charas- resinous exudates of leaves and stem

nux vomica

strychnine and brucine