Sorrel, Wood (Oxalis acetosella LINN.)

Sorrel, Wood

Botanical: Oxalis acetosella

• Description
• Cultivation
• Part Used Medicinally
• Medicinal Action and Uses
• Recipies
• Other Species

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---Description---It is a little plant of a far more delicate, even dainty character, growing abundantly in woods and shady places. From its slender, irregular creeping rootstock covered with red scales, it sends up thin delicate leaves, each composed of three heartshaped leaflets, a beautiful bright green above, but of a purplish hue on their under surface. The long slender leaf-stalks are often reddish towards the base. The leaflets are usually folded somewhat along their middle, and are of a peculiarly sensitive nature. Only in shade are they fully extended: if the direct rays of the sun fall on them they sink at once upon the stem, forming a kind of three-sided pyramid, their under surfaces thus shielding one another and preventing too much evaporation from their pores. At night and in bad weather, the leaflets fold in half along the midrib, and the three are placed nearly side by side to 'sleep,' a security against storm and excessive dews.

The flowers, each set on long stalks, are fragile, in form somewhat like the Crane'sbills, to which they are closely allied, being bell-shaped, the corolla composed of five delicate white petals, veined with purple, enclosed in a five-scalloped cup of sepals and containing ten stamens, and in the centre, five green, thread-like columns, arising from a single five-celled ovary. At the base of the petals, a little honey is stored, but the flower seems to find favour with few insects.

As the flower fades, its stalk bends towards the ground and conceals the seed capsule under the leaves, till ripe, when it straightens again. The case of the capsule is elastic and curls back when the fruit is quite ripe, jerking the seeds out several yards, right over the leaves.

A second kind of flower is also produced. These are hidden among the leaves and are inconspicuous, their undeveloped petals never opening out. The ripening and seed scattering processes of these self-fertilized cleistogamous (or hidden) flowers are the same as with the familiar white-petalled ones. Wood Sorrel droops its blossoms in stormy weather, and also folds its leaves.

Neither the flowers nor any part of the plant has any odour, but the leaves have a pleasantly acid taste, due to the presence of considerable quantities of binoxalate of potash. This, combined with their delicacy, has caused them to be eaten as a spring salad from time immemorial, their sharpness taking the place of vinegar. They were also the basis of a green sauce, that was formerly taken largely with fish. 'Greene Sauce,' says Gerard, 'is good for them that have sicke and feeble stomaches . . . and of all Sauces, Sorrel is the best, not only in virtue, but also in pleasantness of his taste.'

Both botanical names Oxalis and acetosella refer to this acidity, Oxalis being derived from the Greek oxys, meaning sour or acid, and acetosella, meaning vinegar salts. Salts of Lemon, as well as Oxalic acid, can be obtained from the plant: 20 lb. of fresh herb yield about 6 lb. of juice, from which, by crystallization, between 2 and 3 OZ. of Salts of Lemon can be obtained.

An old writer tells us:

'The apothecaries and herbalists call it Alleluya and Paniscuculi, or Cuckowes meat, because either the Cuckoo feedeth thereon, or by reason when it springeth forth and flowereth the Cuckoo singeth most, at which time also Alleluya was wont to be sung in Churches. '

By many, the ternate leaf has been considered to be that with which St. Patrick demonstrated the Trinity to the ancient Irish, though a tiny kind of clover is now generally accepted as the 'true Shamrock.'

The early Italian painters often depicted the blossom. Ruskin writes: 'Fra Angelico's use of the Oxalis acetosella is as faithful in representation as touching in feeling.'

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---Cultivation---If roots are planted in a moist, shady border, they will multiply freely, and if kept clean from weeds will thrive and need no other care.

---Part Used Medicinally---The leaves, fresh or dried.

---Medicinal Action and Uses---It has diuretic, antiscorbutic and refrigerant action, and a decoction made from its pleasant acid leaves is given in high fever, both to quench thirst and to allay the fever. The Russians make a cooling drink from an infusion of the leaves, which may be infused with water or boiled in milk. Though it may be administered freely, not only in fevers and catarrhs, but also in haemorrhages and urinary disorders, excess should be guarded against, as the oxalic salts are not suitable to all constitutions, especially those of a gouty and rheumatic tendency.

The old herbalists tell us that Wood Sorrel is more effectual than the true Sorrels as a blood cleanser, and will strengthen a weak stomach, produce an appetite, check vomiting, and remove obstructions of the viscera.

The juice of the leaves turns red when clarified and makes a fine, clear syrup, which was considered as effectual as the infusion. The juice used as a gargle is a remedy for ulcers in the mouth, and is good to heal wounds and to stanch bleeding. Sponges and linen cloths saturated with the juice and applied, were held to be effective in the reduction of swellings and inflammation.

An excellent conserve, Conserva Ligulae, used to be made by beating the fresh leaves up with three times their weight of sugar and orange peel, and this was the basis of the cooling and acid drink that was long a favourite remedy in malignant fevers and scurvy.

In Henry VIII's time this plant was held in great repute as a pot-herb, but after the introduction of French Sorrel, with its large succulent leaves, it gradually lost its position as a salad and pot-herb.

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From Le Dictionnaire des Ménages (Paris, 1820):

-'Limonade sans Citrous, Limonade Sèche-

'Take three drachms of Salt of Sorrel and one pound of white sugar; reduce them to powder separately, and then mix them. Keep the powder, which is known as dry lemonade, in a well-corked bottle. Substitute tartaric acid for Salt of Sorrel, divide the powder into suitable portions, and you have "lemonade powders without lemons."'

From A Plain Plantain:

-'A Sirrup for a Feaver-

'Take Sirrup of Violets two ounces; Sirrup of Woodsorrell two ounces; Sirrup of Lemmon two ounces, mixed altogether, and drink it.'

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