Althaea officinalis

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About this species

Althaea officinalis (Marshmallow, Marsh Mallow, or Common Marshmallow) is a species native to Africa, which is used as a medicinal plant and ornamental plant.
The stems, which die down in the autumn, are erect, 3 to 4 feet (1.2 m) high, simple, or putting out only a few lateral branches. The leaves, shortly petioled, are roundish, ovate-cordate, 2 to 3 inches (76 mm) long, and about 1 1/4 inch broad, entire or three to five lobed, irregularly toothed at the margin, and thick. They are soft and velvety on both sides, due to a dense covering of stellate hairs. The flowers are shaped like those of the common Mallow, but are smaller and of a pale colour, and are either axillary, or in panicles, more often the latter.

The stamens are united into a tube, the anthers, kidney-shaped and one-celled. The flowers are in bloom during August and September, and are followed, as in other species of this order, by the flat, round fruit called popularly \\\'cheeses.\\\'

The common Mallow is frequently called by country people, \\\'Marsh Mallow,\\\' but the true Marsh Mallow is distinguished from all the other Mallows growing in Great Britain, by the numerous divisions of the outer calyx (six to nine cleft), by the hoary down which thickly clothes the stems, and foliage, and by the numerous panicles of blush-coloured flowers, paler than the Common Mallow. The roots are perennial, thick, long and tapering, very tough and pliant, whitish yellow outside, white and fibrous within. The whole plant, particularly the root, abounds with a mild mucilage, which is emollient to a much greater degree than the common Mallow. The generic name, Althaea, is derived from the Greek, altho (to cure), from its healing properties. The name of the family, Malvaceae, is derived from the Greek, malake (soft), from the special qualities of the Mallows in softening and healing.

Culinary uses

Leaves - raw or cooked. They are used as a potherb or to thicken soups. When used as a small proportion with other leaves, the taste and texture is acceptable, but if a lot of the leaves are cooked together their mucilaginous texture makes them unpalatable. The leaves can be eaten raw but are rather fibrous and somewhat hairy, though the taste is mild and pleasant. We have found them to be quite acceptable in salads when chopped up finely. Root - raw or cooked. When boiled and then fried with onions it is said to make a palatable dish that is often used in times of shortage. The root is used as a vegetable, it is also dried then ground into a powder, made into a paste and roasted to make the sweet \\\'marshmallow\\\'. The root contains about 37% starch, 11% mucilage, 11% pectin. The water left over from cooking any part of the plant can be used as an egg-white substitute in making meringues etc. The water from the root is the most effective, it is concentrated by boiling until it has a similar consistency to egg white. A tea is made from the flowers. A tea can also be made from the root.

Home care uses

Marsh mallow is a very useful household medicinal herb. Its soothing demulcent properties make it very effective in treating inflammations and irritations of the mucous membranes such as the alimentary canal, the urinary and the respiratory organs. The root counters excess stomach acid, peptic ulceration and gastritis. It is also applied externally to bruises, sprains, aching muscles, insect bites, skin inflammations, splinters etc. The whole plant, but especially the root, is antitussive, demulcent, diuretic, highly emollient, slightly laxative and odontalgic. An infusion of the leaves is used to treat cystitis and frequent urination. The leaves are harvested in August when the plant is just coming into flower and can be dried for later use. The root can be used in an ointment for treating boils and abscesses. The root is best harvested in the autumn, preferably from 2 year old plants, and is dried for later use.

Please note that iBotanika, Sequoia S.L., and/or its affiliates shall not be held liable for any personal injury, loss, damages, or other harm resulting from “home care” or medicinal use of any of the plants listed on this site. Please consult a doctor before using any plants in such a manner.

Other uses

The dried root is used as a toothbrush or is chewed by teething children. It has a mechanical affect on the gums whilst also helping to ease the pain. The root is also used as a cosmetic, helping to soften the skin. A fibre from the stem and roots is used in paper-making. The dried and powdered root has been used to bind the active ingredients when making pills for medicinal use. A glue can be made from the root. The root is boiled in water until a thick syrup is left in the pan, this syrup is used as a glue. An oil from the seed is used in making paints and varnishes.

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