Family: Cistaceae Common Rock-rose Helianthemum nummularium Flowering time: May - September. Perennial Can be locally frequent on short calcareous grassland, among rocks and on cliffs. A creeping, +/- prostrate plant. Woody branches with oval, untoothed leaves that are white-woolly on the undersides. Crinkled buds open to bright yellow flowers on downy stems. Height 5-30cm

   
Common Rock-rose, Helianthemum nummularium
Studland, Dorset. August 2007