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Botanical Name : Sorbus aucuparia
Synonyms : Pyrus aucuparia
Habitat :Sorbus aucuparia is native to Europe, including Britain, south and east from Iceland to Spain, Macedonia and the Caucasus. It grows in the woods, scrub and mountain rocks, mainly on lighter soil, rare or absent on clays or soft limestones. It is found at higher elevations than any other native tree.
Sorbus aucuparia occurs as a deciduous tree or shrub that grows up to between 5 and 15 m in height. The crown is loose and roundish or irregularly shaped but wide and the plant often grows multiple trunks. A trunk is slender and cylindrical and reaches up to 40 cm in diameter, and the branches stick out and are slanted upwards.The bark of a young S. aucuparia is yellowish gray and gleaming and becomes gray-black with lengthwise cracks in advanced age; it descales in small flakes. Lenticels in the bark are elongated and colored a bright ocher. The plant does not often grow older than 80 years and is one of the shortest-lived trees in temperate climate. Wood of S. aucuparia has a wide reddish white sapwood and a light brown to reddish brown heartwood. It is diffuse-porous, flexible, elastic, and tough, but not durable, with a density of 600 to 700 kg/m3 in a dried state. The roots of S. aucuparia grow wide and deep, and the plant is capable of root sprouting and can regenerate after coppicing.
The compound leaves are pinnate with 4 to 9 pairs of leaflets on either side of a terete central vein and with a terminal leaflet. There are paired leaf-like stipules at the base of the petiole. The leaves are up to 20 cm long, 8 to 12 cm wide, and arranged in an alternate leaf pattern on a branch., distinguishing them from those of ash, Fraxinus excelsior, which are opposite and without stipules. The leaflets are elongated-lanceolate in shape, 2 to 6 cm long, and 1 to 2.5 cm wide with a sharply serrated edge, and have short stems or sit close to the central vein except for the outermost leaflet. Leaflets are covered in gray-silvery hairs after sprouting but become mostly bare after they unfold. Their uppers side is dark green and their underside is a grayish green and felted. Young leaflets smell like marzipan when brayed. The leaflets are asymmetrical at the bottom. S. aucuparia foliage grows in May and turns yellow in autumn or a dark red in dry locations.
Buds of S. aucuparia are often longer than 1 cm and have flossy to felted hairs. These hairs, which disappear over time, cover dark brown to black bud scales. The terminal buds are oval and pointed and larger than axillary buds, which are narrow, oval and pointed, close to the twig, and often curved towards it.
S. aucuparia is monoecious. It reaches maturity at age 10 and carries ample fruit almost every year. The plant flowers from May to June (on occasion again in September) in many yellowish white corymbs that contain about 250 flowers. The corymbs are large, upright, and bulging. The flowers are between 8 and 10 mm in diameter and have five small, yellowish green, and triangular sepals that are covered in hairs or bare. The five round or oval petals are yellowish white and the flower has up to 25 stamens fused with the corolla to form a hypanthium and an ovary with two to five styles; the style is fused with the receptacle. Flowers of S. aucuparia have an unpleasant trimethylamine smell. Their nectar is high in fructose and glucose.
Its fruit are round pomes between 8 and 10 mm in diameter that ripen from August to October. The fruit are green before they ripen and then typically turn from orange or scarlet in color. The sepals persist as a black, five-pointed star on the ripe fruit. A corymb carries 80 to 100 pomes. A pome contains a star-shaped ovary with two to five locules each containing one or two flat, narrow, and pointed reddish seeds. The flesh of the fruit contains carotenoids, citric acid, malic acid, parasorbic acid, pectin, provitamin A, sorbitol, tannin, and vitamin C. The seeds contain glycoside....CLICK & SEE THE PICTURES
The plant succeeds in most reasonably good soils in an open sunny position. It grows well in heavy clay soils. Tolerates some shade, though it fruits better in a sunny position. Prefers a cool moist position and a lighter neutral to slightly acid soil. Dislikes shallow soils or drought. Succeeds on chalk or acid peats[98, 186]. A very wind firm tree tolerating very exposed and maritime positions. Tolerates atmospheric pollution. Some named varieties have been developed for their improved fruits which are larger and sweeter than the type. Plants, and especially young seedlings, are quite fast growing. The fruit is very attractive to birds. 28 species of insects are associated with this tree. Responds well to coppicing. Plants are susceptible to fireblight. Special Features:Not North American native, Attractive flowers or blooms.
Seed – best sown as soon as it is ripe in a cold frame. If you have sufficient seed it can be sown in an outdoor seedbed. Stored seed germinates better if given 2 weeks warm then 14 – 16 weeks cold stratification, so sow it as early in the year as possible. Prick out the seedlings into individual pots when they are large enough to handle. Seedlings are very slow to put on top-growth for their first year or two, but they are busy building up a good root system. It is best to keep them in pots in a cold frame for their first winter and then plant them out into their permanent positions in late spring.
Fruit are eaten raw or cooked. The fruit is very acid and large quantities of the raw fruit can cause stomach upsets. It can be used to make delicious, if slightly acidulous, jams and preserves, the fruit can also be dried and used as a flour mixed with cereals. The fruit is about 7.5mm in diameter and is produced in quite large bunches making harvest easy. The leaves and flowers are used as a tea substitute. Young leaves are said to be a famine food but they contain a cyanogenic glycoside so you should be very hungry before even thinking of eating them. A coffee substitute. The report was referring to the fruit, it probably means the roasted seed.
The bark is astringent, it is used in the treatment of diarrhoea and as a vaginal injection for leucorrhoea etc. The fruit is antiscorbutic and astringent. It is normally used as a jam or an infusion to treat diarrhoea and haemorrhoids. An infusion can also be used as a gargle for sore throats and as a wash to treat haemorrhoids and excessive vaginal discharge. The seeds contain cyanogenic glycosides which, in reaction with water, produce the extremely toxic prussic acid. In small quantities this acts as a stimulant to the respiratory system but in larger doses can cause respiratory failure and death. It is therefore best to remove the seeds when using the fruit medicinally or as a food. Both the flowers and the fruit are aperient, mildly diuretic, laxative and emmenagogue. An infusion is used in the treatment of painful menstruation, constipation and kidney disorders.
Rowan berries are astringent and rather acidic. The juice has been used medicinally as a gargle for sore throats and laryngitis, and its astringency was useful in treating hemorrhoids and excessive vaginal discharge. The fruit contains vitamin C and was formerly employed in the prevention of scurvy. The fruit is antiscorbutic and astringent. It is normally used as a jam or an infusion to treat diarrhea and hemorrhoids. An infusion can also be used as a gargle for sore throats and as a wash to treat hemorrhoids and excessive vaginal discharge. The seeds contain cyanogenic glycosides which, in reaction with water, produce the extremely toxic prussic acid. In small quantities this acts as a stimulant to the respiratory system but in larger doses can cause respiratory failure and death. It is therefore best to remove the seeds when using the fruit medicinally or as a food. Both the flowers and the fruit are aperient, mildly diuretic, laxative and emmenagogue. An infusion is used in the treatment of painful menstruation, constipation and kidney disorders.
An oil is obtained from the seed. A cosmetic face-mask is made from the fruits and is used to combat wrinkled skin. A black dye is obtained from the young branches. All parts of the plant contain tannin and can be used as a black dye. Trees are very wind resistant and can be used in shelterbelt plantings. Wood – hard, fine grained, compact and elastic. It is highly recommended by wood turners and is also used to make hoops for barrels, cogs and furniture.
Known Hazards : Large quantities of the raw fruit can cause vomiting, especially if people are not used to the fruit. Seeds probably contain hydrogen cyanide. this is the ingredient that gives almonds their characteristic flavour. Unless the seed is very bitter it should be perfectly safe in reasonable quantities. 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.
Disclaimer : The information presented herein is intended for educational purposes only. Individual results may vary, and before using any supplement, it is always advisable to consult with your own health care provider.
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