several pink flowers of helianthemum apenninum in may

helianthemum apenninum rock rose pink sunrose rushrose frostweed pentamerous nature green foliage greenery vegetation outdoors plant botany ornamental leaf bud florescence inflorescence bloom flower blossom petal sepal pollen yellow gynoecium style pistil stamen stigma herb herbaceous woolly hairy season spring dry park garden flowerbed rockery