Small shrub, of some 0,5-2m in height. Greyish foliage. Lanceolate leaves, bright green on top and whitish on the underside due to the presence of hairs. Flowers gathered together in groups on the tips of the branches and blue-white in colour. Dry fruit, separated into 4 globose parts, brown and coarse, and dispersed by ants.
DISTRIBUTION: Originally from North Africa and Southern Europe.