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Botanical Name :Prunus Armeniaca
Family: Rosaceae
Genus: Prunus
Subgenus:Prunus
Section: Armeniaca
Species: P. armeniaca
Kingdom: Plantae
Order: Rosales
Synonyms:Apricot, Apricock. Armeniaca vulgaris.
Common Names: Ansu apricot, Siberian apricot, Tibetan apricot
Habitat:Prunus Armeniaca is considered native range is somewhat uncertain due to its extensive prehistoric cultivation. Although formerly supposed to come from Armenia, where it was long cultivated, hence the name Armeniaca, there is now little doubt that its original habitat is northern China, the Himalaya region and other parts of temperate Asia. It is cultivated generally throughout temperate regions. Introduced into England, from Italy, in Henry VIII’s reign.
Description:
Prunus armeniaca is a small tree, 8–12 m (26–39 ft) tall, with a trunk up to 40 cm (16 in) in diameter and a dense, spreading canopy. The leaves are ovate, 5–9 cm (2.0–3.5 in) long and 4–8 cm (1.6–3.1 in) wide, with a rounded base, a pointed tip and a finely serrated margin. The flowers are 2–4.5 cm (0.8–1.8 in) in diameter, with five white to pinkish petals; they are produced singly or in pairs in early spring before the leaves. The fruit is a drupe similar to a small peach, 1.5–2.5 cm (0.6–1.0 in) diameter (larger in some modern cultivars), from yellow to orange, often tinged red on the side most exposed to the sun; its surface can be smooth (botanically described as: glabrous) or velvety with very short hairs (botanically: pubescent). The flesh is usually firm and not very juicy. Its taste can range from sweet to tart. The single seed is enclosed in a hard, stony shell, often called a “stone”, with a grainy, smooth texture except for three ridges running down one side….....CLICK & SEE THE PICTURES
Edible Uses: Fruits are eaten raw or cooked or dried for later use. The best forms are soft and juicy with a delicious rich flavour. Wild trees in the Himalayas yield about 47.5kg of fruit per year.The fruit of the wild form contains about 6.3% sugars, 0.7% protein, 2.5% ash, 2.5% pectin. There is about 10mg vitamin C per 100g of pulp. The fruit is about 5cm in diameter and contains one large seed. Seed – raw or cooked. Bitter seeds should be eaten in strict moderation, but sweet ones can be eaten freely. The bitter seeds can be used as a substitute for bitter almonds in making marzipan etc. An edible gum is obtained from the trunk. The seed contains up to 50% of an edible semi-drying oil
The Italian liqueur amaretto and amaretti biscotti are flavoured with extract of apricot kernels rather than almonds. Oil pressed from these cultivar kernels, and known as oil of almond, has been used as cooking oil. Kernels contain between 2.05% and 2.40% hydrogen cyanide, but normal consumption is insufficient to produce serious effects.
Cultivation:
Landscape Uses:Specimen. Requires a well-drained moisture retentive fertile soil in a warm sunny position. Succeeds in light shade but fruits better in a sunny position. Thrives in a loamy soil, doing well on limestone. Prefers some chalk in the soil but is apt to become chlorotic if too much is present. Prefers a pH in the range 6.5 to 7.5. Dislikes clay soils. Intolerant of saline soils. Trees drop their fruit buds if there is a summer drought. The apricot is widely cultivated for its edible fruit in temperate areas that have long hot summers, there are many named varieties. The tree is perfectly hardy in Britain but it usually flowers very early in the spring and the flowers are then liable to be destroyed by frosts. It really requires a more continental climate (with its clearly defined seasons) than it gets in Britain. However, if given the benefit of a south or west facing wall and some protection from frosts when it is in flower, reasonable crops can usually be produced in southern England. The plants are self-fertile, but hand pollination would be advisable since they are normally flowering before many pollinating insects are active. In Britain apricots are usually grown on plum rootstocks, ‘St. Julien A’ is the most widely used. The dwarfing rootstock ‘Pixie’ is also a possibility, but this must be double worked with ‘St. Julien A’ because it is incompatible with apricots. Any pruning should be carried out in the summer to allow rapid healing and therefore less risk of infection. Oats should not be grown near apricots because their roots have an antagonistic effect on the roots of the apricot. Tomatoes and potatoes are also bad companions for apricots. If nasturtiums (Tropaeoleum spp) are grown under apricots they will make the fruit less palatable to insects, though this is not detectable by the human palate. Most members of this genus are shallow-rooted and will produce suckers if the roots are damaged. Plants in this genus are notably susceptible to honey fungus. Special Features: Edible, Not North American native, All or parts of this plant are poisonous, Fragrant flowers, Attractive flowers or blooms.
Propagation :
Seed – requires 2 – 3 months cold stratification and is best sown in a cold frame as soon as it is ripe. Sow stored seed in a cold frame as early in the year as possible. Protect the seed from mice etc. The seed can be rather slow, sometimes taking 18 months to germinate. Prick out the seedlings into individual pots when they are large enough to handle. Grow them on in a greenhouse or cold frame for their first winter and plant them out in late spring or early summer of the following year. Cuttings of half-ripe wood with a heel, July/August in a frame. Difficult. Softwood cuttings from strongly growing plants in spring to early summer in a frame. Difficult. Layering in spring.
Constituents: Prunus Armeniaca yield by expression 40 to 50 per cent. of a fixed oil, similar to that which occurs in the sweet almond and in the peach kernel, consisting chiefly of Olein, with a small proportion of the Glyceride of Linolic acid, and commonly sold as Peach Kernel oil (Ol. Amygdae Pers.). From the cake is distilled, by digestion with alcohol, an essential oil (0l. Amygdae Essent. Pers.) which contains a colourless, crystalline glucoside, Amygdalin, and is chemically identical with that of the bitter almond. The essential oil is used in confectionery and as a culinary flavouring.
Medicinal Uses:
Analgesic; Anthelmintic; Antiasthmatic; Antidote; Antipyretic; Antiseptic; Antispasmodic; Antitussive; Demulcent; Emetic; Emollient;
Expectorant; Laxative; Ophthalmic; Pectoral; Sedative; Tonic; Vulnerary.
Apricot fruits contain citric and tartaric acid, carotenoids and flavonoids. They are nutritious, cleansing and mildly laxative. They are a valuable addition to the diet working gently to improve overall health. The salted fruit is antiinflammatory and antiseptic. It is used medicinally in Vietnam in the treatment of respiratory and digestive diseases. Antipyretic, antiseptic, emetic, ophthalmic. The flowers are tonic, promoting fecundity in women. The bark is astringent. The inner bark and/or the root are used for treating poisoning caused by eating bitter almond and apricot seeds (which contain hydrogen cyanide). Another report says that a decoction of the outer bark is used to neutralize the effects of hydrogen cyanide. The decoction is also used to soothe inflamed and irritated skin conditions. The seed is analgesic, anthelmintic, antiasthmatic, antispasmodic, antitussive, demulcent, emollient, expectorant, pectoral, sedative and vulnerary. It is used in the treatment of asthma, coughs, acute or chronic bronchitis and constipation. The seed contains ‘laetrile’, a substance that has also been called vitamin B17. This has been claimed to have a positive effect in the treatment of cancer, but there does not at present seem to be much evidence to support this. The pure substance is almost harmless, but on hydrolysis it yields hydrocyanic acid, a very rapidly acting poison – it should thus be treated with caution. In small amounts this exceedingly poisonous compound stimulates respiration, improves digestion and gives a sense of well-being
Apricot oil is used as a substitute for Oil of Almonds, which it very closely resembles. It is far less expensive and finds considerable employment in cosmetics, for its softening action on the skin. It is often fraudulently added to genuine Almond oil and used in the manufacture of soaps, cold creams and other preparations of the perfumery trade.
Other Uses:
Adhesive; Dye; Gum; Oil; Oil; Wood.
An edible semi-drying oil is obtained from the seed. Used for lighting. The oil has a softening effect on the skin and so it is used in perfumery and cosmetics, and also in pharmaceuticals. A green dye can be obtained from the leaves. A dark grey to green dye can be obtained from the fruit. Wood – handsome, hard, durable. Agricultural implements etc
In Armenia, the wood of the apricot tree is used for making wood carvings such as the duduk, which is a popular wind instrument in Armenia and is also called the apricot pipe. Several hand-made souvenirs are also made from the apricot wood.
Known Hazards: This species produces hydrogen cyanide, a poison that gives almonds their characteristic flavour. This toxin is found mainly in the leaves and seed and is readily detected by its bitter taste. Usually present in too small a quantity to do any harm, any very bitter seed or fruit should not be eaten. In small quantities, hydrogen cyanide has been shown to stimulate respiration and improve digestion, it is also claimed to be of benefit in the treatment of cancer. In excess, however, it can cause respiratory failure and even death. Oral doses of 50g of hydrogen cyanide can be fatal (= 30g of kernels or 50-60 kernels at 2 mg HCN/g kernel)
Resources:
http://en.wikipedia.org/wiki/Prunus_armeniaca
http://www.pfaf.org/user/Plant.aspx?LatinName=Prunus+armeniaca
http://www.botanical.com/botanical/mgmh/a/apric050.html
