Onion flowers

Of course this is not an ordinary onions, and decorative. This onion cannot be eaten. The flowers of this onion are very large and beautiful. After flowering, the plant becomes uninteresting.

https://pp.userapi.com/c844616/v844616945/626ca/PK3zG_7ruiY.jpg
Instead of flowers then there are small bulbs and the plant can be propagated.