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.
Senegalia senegal kinds of very strong ropes and cords. The tree bark is also used to make rope. The wood of "S. senegal" can be used to make handles for tools, and parts for weaving looms. It is also valued as firewood and can be used to produce charcoal. "S. senegal" contains hentriacontane, a solid, long-chain alkane hydrocarbon. The leaf also contain the psychoactive alkaloid dimethyltryptamine. Senegalia senegal Senegalia senegal (until recently known as "Acacia senegal") is a small thorny deciduous tree from the genus "Senegalia", which is known by several common names, including Gum acacia, Gum arabic tree, Sudan gum and