What is the structure of a tulip flower and a lily of the valley flower?

Single tulip flower with simple folded perianth. Brightly colored tepals are located in two circles – 3 in the outer and 3 but in the inner circle. Six stamens are also arranged in 3 in two circles. The center of the flower is occupied by a pistil with a three-lobed stigma. In the lily of the valley, in contrast to the tulip, the flowers have a perianth with accrete leaves. and the flowers are collected in a raceme inflorescence.