Step 1: use yellow yarn, start with a magic ring
Step 2: work 3 ch, 16 dc in the round. close the loop tightly, 1 ss
Step 3: change white yarn, work 10 ch, work in behind the 3th stitches vertical bar in the chain below: (4 dc, 2 hdc, 1 sc), 1 ss in the next st
Step 4: 7 ch, turn, work 1 dc to attach the first dc stitch of the first petal. Turn, then 3 ch, from the 7th ch just now, work (4 dc, 2 hdc, 1 sc ), 1 ss. Repeat to make 16 petals.
Step 5: Make the last petal: 7 ch, turn, work 1 dc to attach the first dc stitch of the previous petal. Then, turn, 3 ch, work 1 dc to attach the first petal, then continue work ( 4 dc, 2 hdc, 1 sc), 1 ss in the next st, 1 ch. cut the tail and weave the ends.
Step 6: change green yarn, 3 ch, work 2 dc in the top of the petal, then 3 dc in the gap, and work a round
Step 7: change white yarn, 1 ss, 1 ch, reverse direction make sc a round, 1 ss. cut the tail and weave the ends.