The pistachio (Pistacia vera L., Anacardiaceae or sometimes Pistaciaceae) is a small tree native to some regions of Syria, Iran, Kyrgyzstan, Greece, Turkmenistan, Turkey, Pakistan and western Afghanistan, that produces an important culinary nut. Pistacia vera often is confused with other species in the genus Pistacia that are also known as pistachio. These species can be distinguished from P. vera by their geographic distributions (in the wild) and their nuts. Their nuts are much smaller, have a strong flavor of turpentine, and have a shell that is not hard. The word pistachio is a loanword from Persian via Latin, and is a cognate to the Modern Persian word پسته Peste.


    The modern pistachio nut P. vera was first cultivated in Western Asia. Its cultivation spread into the Mediterranean world by way of central Iran, where it has long been an important crop. The early 6th-Century manuscript De observatione ciborum (On the observance of foods) by Anthimus implies that pistachio nuts ("pistacia" in vulgar Latin) were well known in Europe by late Roman times.

More recently pistachio has been cultivated commercially in the English speaking world, in Australia, New Mexico,[1] and California. The United States Department of Agriculture introduced the tree in California about 1904, but it was not promoted as a commercial crop until 1929


The bush grows up to 10 meters (30 ft) tall. It has deciduous pinnate leaves 10–20 centimeters (4-8 inches) long.

Pistachio is a desert plant, and is highly tolerant of saline soil. It has been reported to grow well when irrigated with water having 3,000-4,000 ppm of soluble salts.[1] Pistachio trees are fairly hardy in the right conditions, and can survive temperature ranges between −10°C (14°F) in winter to 40°C (104°F) in summer.

 They need a sunny position and well-drained soil. Pistachio trees do poorly in conditions of high humidity, and are susceptible to root rot in winter if they get too much water and the soil is not sufficiently free draining. Long hot summers are required for proper ripening of the fruit.

The plants are dioecious, with separate male and female trees. The flowers are apetalous and unisexual, and borne in panicles.

The fruit is a drupe, containing an elongated seed, which is the edible portion. The seed, commonly thought of as a nut, is a culinary nut, not a botanical nut. The fruit has a hard, whitish exterior shell. The seed has a mauvish skin and light green flesh, with a distinctive flavor. When the fruit ripens, the shell changes from green to an autumnal yellow/red and abruptly splits part way open (see photo). This is known as dehiscence, and happens with an audible pop. The splitting open is a trait that has been selected by humans.[clarification needed] Commercial cultivars vary in how consistently they split open.


Country Share of 2005 oduction
 Iran 190 000
 United States 140 000
 Turkey 60 000
 Syria 60 000
 China 34 000
 Greece 9 500
 Italy 2 400
 Uzbekistan 1 000
 Tunisia 800
 Pakistan 300
 Madagascar 160
 Kyrgyzstan 100
 Morocco 50
 Cyprus 15
 Mexico 7
 Mauritius 5
Nutritional value per 100 g (3.5 oz)
Energy 2,391 kJ (571 kcal)
Carbohydrates 27.65 g
Sugars 7.81 g
Dietary fiber 10.3 g
Fat 45.97 g
Protein 21.35 g
- lutein and zeaxanthin 1205 μg
Thiamine (Vit. B1) 0.84 mg (65%)
Riboflavin (Vit. B2) 0.158 mg (11%)
Niacin (Vit. B3) 1.425 mg (10%)
Pantothenic acid (B5) 0.513 mg (10%)
Vitamin B6 1.274 mg (98%)
Folate (Vit. B9) 50 μg (13%)
Vitamin C 2.3 mg (4%)
Calcium 110 mg (11%)
Iron 4.2 mg (34%)
Magnesium 120 mg (32%)
Phosphorus 485 mg (69%)
Potassium 1042 mg (22%)
Zinc 2.3 mg (23%)


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