Helianthemum nummularium (L.) Mill.

Scrambling subshrub to about 20 cm tall with growing tips erect. Leaves to about 5 cm long and 1.5 cm wide, more or less ovate to lanceolate with long stipules, hairy above (hairs not star-shaped). Flowers to about 2.5 cm wide in flat-topped clusters; summer.

Europe, Asia Minor

Source: Spencer, R. (1997). Cistaceae. In: Spencer, R.. Horticultural Flora of South-eastern Australia. Volume 2. Flowering plants. Dicotyledons. Part 1. The identification of garden and cultivated plants. University of New South Wales Press.

Distribution map
kingdom Plantae
phylum   Tracheophyta
class    Magnoliopsida
superorder     Rosanae
order      Malvales
family       Cistaceae
genus        Helianthemum Mill.