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Verbascum thapsus Great mullein (1 Page of 5) The Verbascum thapsus plant species is found in Britain. It is a member of the Scrophulariaceae family. Common gardeners may know the plant as Great mullein. Cultivation | Propagation | General Uses Medicinal | Edible Uses Latin Name: Verbascum thapsus Common Name: Great mullein Family: Scrophulariaceae Author: L. Known Hazards: The leaves contain rotenone and coumarin, though the quantities are not given[222]. Rotenone is used as an insecticide and coumarin can prevent the blood from clotting[K].
Hairs on the leaves can act as an irritant[222]. Mature Height: 1.8 Mature Width: Habitat: Sunny positions in uncultivated fields and waste ground, especially on dry soils[7, 13, 17].
Medicinal Information: Great mullein is a commonly used domestic herbal remedy, valued for its efficacy in the treatment of pectoral complaints[4]. It acts by reducing the formation of mucus and stimulating the coughing up of phlegm, and is a specific treatment for tracheitis and bronchitis[254].
The leaves and the flowers are anodyne, antiinflammatory, antiseptic, antispasmodic, astringent, demulcent, diuretic, emollient, expectorant and vulnerary[4, 7, 13, 21, 46, 53, 165, 222]. An infusion is taken internally in the treatment of a wide range of chest complaints and also to treat diarrhoea[4, 238]. The plant combines well with other expectorants such as coltsfoot (Tussilago farfara) and thyme (Thymus vulgaris)[254]. Externally, a poultice of the leaves is a good healer of wounds and is also applied to ulcers, tumors and piles[4, 222, 254]. Any preparation made from the leaves needs to be carefully strained in order to remove the small hairs which can be an irritant[7]. The plant is harvested when in flower and is dried for later use[238].
An infusion of the flowers in olive oil is used as earache drops, or as a local application in the treatment of piles and other mucous membrane inflammations[4, 222, 238]. This infusion is also strongly bactericidal[4].
A decoction of the roots is said to alleviate toothache and also relieve cramps and convulsions[4].
The juice of the plant and powder made from the dried roots is said to quickly remove rough warts when rubbed on them[4]. It is not thought to be so useful for smooth warts[4].
The seeds are slightly narcotic and also contain saponins[4]. A poultice made from the seeds and leaves is used to draw out splinters[4]. A decoction of the seeds is used to soothe chillblains and chapped skin[7].
A homeopathic remedy is made from the fresh leaves[4]. It is used in the treatment of long-standing headaches accompanied with oppression of the ear[4].
For further Verbascum thapsus gardening information click on one of the blue links below Cultivation | Propagation | General Uses Medicinal | Edible Uses
The information above has been supplied solely via the hard work and dedication of the team at 'Plants for a Future'. View their bibliography

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