Alstroemeria, also known as Narcissus Lily. If you pay close attention to it, you will find Alstroemeria has six petals. The three larger ones on the outer layer are actually calyxes, and the three with spots on the inner layer are real petals.The spots on the petals can attract the bees to help to spread the pollen.
Alstroemeria has a variety of colors, basically red/ pink/ orange/ yellow/ purple/ white. The stems of Alstroemeria are brittle, and morphologically, many flowers grow on one stem of Alstroemeria.
Alstroemeria is not outstanding in bud period in appearance. However, after blooming, every single stem of Alstroemeria can has around six to ten flower heads. If you put a bunch of it in your hand, the picture will be very rich and fully. Alstroemeria is a wonderful filler flower for floral arrangement.