Start with a magic ring.
R1: work 5 sc in the round. 1 ss in the first st, and 1 ch.
R2: (2 sc in next st) * 5 times. 1 ss in the first st, and 1 ch.
R3: (1 sc, 2 sc in next st) * 5 times. 1 ss in the first st, and 1 ch.
R4: (1 sc, 2 sc in next st, 1 sc) * 5 times. 1 ss in the first st, and 1 ch.
R5: (3 sc, 2 sc in next st) * 5 times. 1 ss in the first st, and 1 ch.
R6: (2 sc, 2 sc in next st, 2 sc) * 5 times. 1 ss in the first st, and 1 ch.
R7: (5 sc, 2 sc in next st) * 5 times. 1 ss in the first st, and 1 ch.
R8: (3 sc, 2 sc in next st, 3 sc) * 5 times. 1 ss in the first st.
R9: work 2 ch, 7 hdc, ( 2 hdc in next st, 3 hdc ) * 6 times; 2 hdc in next st, 8 hdc. 1 ss in the first st.
R10: work 3 ch, 7 dc, ( 2 dc in next st) * 16 times. (petal tip: 2 dc in next st, 2 ch picot st, 2 dc in next st); ( 2 dc in next st) * 16 times; 7 dc. 1 ss in the first st.
R11: work 3 ch, turn, 2 dc in next st, 1 dc, 1 ch. Cut off and leave a tail.