Description: Plant of erect stem. The leaves are elliptically elongated and covered with tiny, sharper hairs. The flowers consist of 4 yellow petals and are clustered at the top of the stem. The fruit is a flat, heart-shaped silicula.

Flowering time: March-June

Habitat: It grows in sunny areas, common in screea and habitats with mobile soils.

Interesting fact: In Switzerland, THIS PLANT is an endangered species.