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Eschscholzia californica is a common plant in temperate areas of North and South America, typical in California and naturalized in Chile.
Cultivated in gardens, it is sometimes sub-spontaneous and may appear in dry, sandy and nitrified soils.
It is a herbaceous, annual and erect plant.
Its leaves are pinnatisect or pinnatipartite.
Flowers are large and solitary with four petals, which are often yellow or orange and have a dark spot on the base.
The fruit is a straight and glabrous capsule.
It is used as a painkiller and sedative. It is also used as an antihypertensive.
It is often associated with other sedative drugs such as valerian root or lemon balm leaves...
...to treat neuralgia, depression, sensitivity to weather changes, headaches, tachycardia and anxiety.
This plant is widely used to combat insomnia in children and the elderly, as it has a persistent action without causing depression or dependency.
It can be used to treat itching and urticaria.