The sand-thyme (Thymus serpyllum) is a species of the mint family (Lamiaceae). There are two subspecies.
The sand-Thyme is an evergreen ground cover shrub (chamaephytes), plant height of 20-10 centimeters reached. The twigs are hairy always around. The leaves are linear to narrow elliptic or obovate, 1-3 mm wide, shortly stalked or sitting. At the flower shoots are hardly different in size and shape. The top pair of lateral veins usually lost, not united into a Randnerv. At the bottom of the leaves are ciliated, the blade is hairy only rarely. Their lateral veins come out on the bottom edge.
The flowers are hermaphrodite zygomorph and five parts. The upper calyx teeth broadly triangular and about as long as wide at the base.
The flowering period extends from July to September.
The sand-Thyme is scattered to rarely used as an ornamental in rock gardens, borders and natural gardens in sandy areas in heath gardens. There are several varieties.
The dried plant (Latin Serpylli herba) is used as drug officinal application. As the ingredients terpenes carvacrol and thymol were found. On the basis of which the drug is usually prepared as an infusion is used against catarrh of the upper respiratory tract.
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