Alyssum ovirense

Loosely mat-forming, brilliant wandering through stones, with stems to 12cm or more in length. Basal leaves in rosettes,  stem leaves narrower, both green or grey-green. Flowers about 6mm across, yellow. South-eastern Alps and western Yugoslavia.    Ex. Alpi Giulie 1920 m., Italy. 3-10 cm H, hardy, sunny place, poor stony soil, good drainage, lime good to add, but not essential.