sentences:  The flowers, which appear from spring to early summer, are cream or pale yellow with 5 petals and are 2.5 to 5 cm long.The coarsely serrated leaves are 2 to 6.5 cm long with stinging hairs which are also found on the stems and buds.The plant is round and bushy and is usually between 30 and 60 cm in height and is often found on cliff faces.