Helianthemum nummularium obscurum
Oval-leaved rock rose
The Helianthemum nummularium obscurum (Oval-leaved rock rose) is perennial, belongs to the Cistaceae family and is a garden bed, stone garden, wildflower plant. The flowers are yellow and the leaves green. The herbaceous perennial plant will be up to 20 cm (8 in) high. The soil conditions should be dry, well-drained and the plant area sunny.