Rosyanka rotundifolia (solar grass)

Name: Sundew round-leaved (solar grass)

ROSYANKA ROUND-LEAVED (solar grass)

 

Perennial, insectivorous, herbaceous plant 10-25 cm high. The stem is shortened, with 2-3 flower arrows and a rosette, more or less pressed to the ground, round glandular-pubescent leaves. Leaf petiole pubescent, long (up to 7 cm). Flower arrows pubescent, reddish. The flowers are small, white, collected in one-sided apical racemes, bent before blooming, later straightening. Calyx tubular-campanulate, remaining with fruits, deeply five-parted. The corolla is five-leaved, the petals are narrowed towards the base. Stamens 5, pistil with three 2-parted stigmas. The fruit is an oblong, smooth box, the seeds are narrow, light brown, fusiform. Blooms in June-August.

Sundew round-leaved is found throughout the European part of Russia (except for the southern regions), in Siberia and the Far East; very rare in the Caucasus. It grows on sphagnum and peat bogs with undersized pine forests, less often on damp sands.

Medicinal raw material is the aerial part of the plant with flowers, collected during flowering. Storage period up to 2 years.

The herb contains naphthoquinones: drozeron and plumbagin; proteolytic enzyme, anthocyanin pigment, tannin, ascorbic, malic, citric and other acids.

In scientific medicine, herbal products are used as an expectorant for bronchitis, laryngitis, whooping cough. In experiments on animals, a spasmodic effect of herb products was found, and in plumbagin, the ability to suppress the growth of certain pathogenic fungi and bacteria.

Sundew round-leaved is used in the form of infusion, extract and alcohol tincture, in a number of countries products from sundew are produced – drozerin, drozan, etc.

In folk medicine, herbal products are used internally as an antitussive, especially for whooping cough, hemoptysis, bronchial asthma, atherosclerosis, as well as a diaphoretic, diuretic and anti-febrile remedy that eliminates vomiting.

The fresh juice of the plant is used for warts. In some states, sundew is used to make liqueurs.

Application

Infusion: 20 g per 200 ml; 1 st. spoon 3-5 times every day (expectorant).

Light decoction or infusion on water (for 6 hours): 25 g per 400 ml, with the addition of 4 g of sodium bromide; with whooping cough 1 tbsp. spoon 3-4 times every day.

Decoction-mixture: sundew grass, plantain leaves, tricolor violet grass mixed in equal parts, brew 2 teaspoons of the mixture in a glass of boiling water; when coughing 1 tbsp. spoon 3-4 times every day.

Tincture: 30%; 10-12 drops 3 times every day. Sundew gives good results in whooping cough and convulsive cough on nerves, with epilepsy. It is also used for tuberculosis, fever, lobar pneumonia, arteriosclerosis.

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