Cruciferous – Brassicaceae (Cruciferae).
Pharmacy name: toothbrush rhizome – Dentariae rhizoma (formerly: Rhizoma Dentariae).
Botanical description. The stem of this herbaceous plant reaches 20-30 cm in height, ribbed, with three-lobed leaves in a rosette and yellowish-white flowers in an umbrella-shaped brush. It grows in the mountain forests of Central Europe, mainly in shady, damp places on carbonate soils.
Active ingredients: essential oil and probably alkaloid; the chemical composition is little studied, so there is no exact data. It is used in folk medicine against cough.