any of various cistaceous shrubs or herbaceous plants of the Eurasian genera Helianthemum, Tuberaria, and Cistus, cultivated for their yellow-white or reddish roselike flowers
rockrose in American English
(ˈrɑkˌroʊz)
noun
1.
cistus
adjective
2.
designating a family (Cistaceae, order Violales) of bushy dicotyledonous plants, including pinweed and cistus