The beautiful flower from the picture is called Ornithogalum. A genus of perennial plants, native to southern Europe and South Africa. It is from the family of Asparagaceae. It is growing from a bulb, and has linear basal leaves and slender stem, reaching around 30 cm. It is blooming in white and orange, delicate star-shaped flowers , often striped with green. It is also known as Star of Behlehem .
Ornithogalum species are very popular as cut flowers , especially arabicum, dubium, saundersiae and thyrsoides.