Seed when castor beans have been ingested by animals. In addition, seeds containing amygdalin—apple, apricot, bitter almond, peach, plum, cherry, quince, and others—when consumed in sufficient amounts, may cause cyanide poisoning. Other seeds that contain poisons include annona, cotton, custard apple, datura, uncooked durian, golden chain, horse-chestnut, larkspur, locoweed, lychee, nectarine, rambutan, rosary pea, sour sop, sugar apple, wisteria, and yew. The seeds of the strychnine tree are also poisonous, containing the poison strychnine. The seeds of many legumes, including the common bean ("Phaseolus vulgaris"), contain proteins called lectins which can cause gastric distress if the beans are eaten without cooking.
Fruit of the poisonous tree doctrine is subject to four main exceptions. The tainted evidence is admissible if: This doctrine was also used by the European Court of Human Rights in "Gäfgen v. Germany". In certain cases continental European countries have similar laws (e.g. in cases of torture), while the doctrine itself is generally not known. Illegally obtained evidence is used by the courts to ensure that the judgment is factually correct, however the person obtaining the illegal evidence typically faces independent consequences. Fruit of the poisonous tree Fruit of the poisonous tree is a legal metaphor in the United States used to describe evidence