Edelweiss (Leontopodium alpinum) is one of the best-known rare flowers. The plant belongs to the same family like the common sunflower and shares some similar features. The flowers are of yellow color blooming in a bunch of five-six. They are sourounded by leaves shaped as star. An interesting feature is a cover of the blossoming area with thin white hairs like wool. Image taken in Swiss Alps in an enclosure with alpine flora.