The rock-rose (Helianthemum nummularium) is an evergreen, upright shrub or lying in the common rock-rose family (Cistaceae). In the Netherlands, the plant in southern Limburg. The species is on the Dutch Red List of plants as very rare and stable or slightly increased. The plant is also used in the ornamental garden. There are cultivars with different flower colors including white, red and pink.
The plant is 10-40 cm tall and has opposite, hairy leaves. They are elliptical to lanceolate line.
The rock-rose blooms from May to September with golden yellow flowers. The flowers are open only when the sun is shining and the temperature above 20 ° C.
The fruit is a capsule trivalved that many seeds.
The plant comes in to free pasture for dry, chalky soil.
The plant for herbal medicinal purposes.
The rock-rose is host of butterflies spikkeldikkopje large, brown and blue rookie, the Bears and plantain zwartvlakworteluil moths and butterflies micro Coleophora potentillae, Coleophora ochrea Mompha and miscella.
See also: International Flower Delivery, Florist