Lithospermum arvense L.- Nawrot polny – the field gromwell, corn gromwell, or bastard alkanet. An annual plant reaches a height of 15-50 cm. Germinates from early spring to autumn. The stem is usually broad-leaved, has 2-3 branches, is short and roughly hairy, relatively rarely foliage. Funnel-shaped flowers with a white crown turning into a blue, blue or purple throat. The leaves are pubescent and have a visible central nerve. In Poland, found on dry, sunny slopes and dumps. For therapeutic purposes, a sheep’s reversal containing large amounts of mineral salts, mainly water-soluble silica and calcium compounds, is used. Used (most commonly in traditional Chinese medicine) as a diuretic, recommended for the treatment of urolithiasis. Her herb is also used in conditions of advanced age, especially at atherosclerosis, and in menstrual and menopausal disorders. The roots of the relapse are a natural dye used to obtain a red, extremely long-lasting color. Seeds remain viable for 13- 16 years.