Sub-shrub of the Cistaceae family, this subspecies is endemic to the Balkans, where it occupies rocky limestone grasslands, cliffs, and sunny screes at low and medium altitudes.
It forms dense, widely spread bushy clumps, 15 to 30 cm in height, with reddish woody stems at the base. The foliage is one of the most distinctive features: the small oval leaves are covered with a very pronounced grayish to whitish tomentum on both sides, giving the whole a persistent silvery appearance, clearly visible even outside of flowering.
The flowers are bright and vivid yellow, with five slightly crumpled petals, borne in loose clusters on upright branches. The densely hairy and grayish flower buds contrast with the brilliance of the open flowers and extend the visual interest of the plant throughout the flowering period.
In its natural habitat, its flowering extends from April to June.
In cultivation, it requires a poor, calcareous, very well-drained soil, in full sun exposure, with good tolerance to summer drought. It does not tolerate heavy soils or persistent moisture. Hardy under impeccable drainage conditions.