131301 WHITE ROCK-ROSE Helianthemum apenninum (Cistaceae) Height to 40cm. Attractive, branched and spreading shrubby perennial. Found in dry, grassy places on limestone. FLOWERS are 2.5cm across with 5 crinkly, white petals (May-Jul). FRUITS are capsules. LEAVES are narrow-oval, downy white above and below, with inrolled margins. STATUS-Local, restricted to coastal areas of Devon and Somerset.