Step 1:
The flower paper is yellow on the other side. Prefold over these 2 lines.

Step 6:
Fold along the edge.

Step 5:
Fold both spots together, use the prefolded lines as guidance.

Step 2:
Prefold both edges to the centerline.

Step 4:
Fold in half.

Step 3:
Prefold these two edges to the centerline.

Step 10:
Unfold the model.

Step 8:
Fold in half

Step 9:
Prefold.

Step 7:
Fold the left edge to the edge on the right, see arrows.

Step 16:
Fold over these two lines.

Step 15:
Squash-fold

Step 12:
Fold over these five prefolded lines.

Step 11:
Now the paper has a prefolded pentagon shape.

Step 14:
Fold this edge straight upwards.

Step 13:
Fold over the prefolded lines, start with the two lines below, see arrows.

Step 21:
Repeat steps 15 to 20 on the other three edges.

Step 19:
Press these edges downwards / flat.

Step 20:
Fold the little triangle flap upwards.

Step 18:
Fold this edge downwards.

Step 17:
Unfold both folds.

Step 22:
Bookfold one edge to the left.

Step 28:
Press the bottom part inwards.

Step 25:
Squash-fold this tiny petal.

Step 26:
Repeat step 25 on the other four tiny petals.

Step 24:
Repeat step 23 on the other four petals.

Step 23:
Fold this petal sidewards.

Step 29:
Curve the five large petals by rolling them up tightly.

Step 27:
Now the model looks like this.

Step 30:
Done.....

Step 31:
Prefold the stem paper in half.

Step 32:
Fold over these two lines.

Step 33:
Fold over these two lines.

Step 35:
Fold over these two lines.

Step 34:
Fold over this line.

Step 36:
Fold in half.

Step 37:
Press the tip flat and curve it backwards.

Step 38:
And the stem is also done.....

Step 39:
I used a crumpled green paper square for the large leafs.
Fold over these two lines.

Step 40:
Fold over these two lines.

Step 41:
Fold over these two lines.

Step 42:
Fold in half.

Step 43:
Press the tip flat and curve it backwards.

Step 44:
And the large leaf is done....

Step 45:
Glue the bottom of the flower to the top of the stem.

Step 46:
Glue the large leaf to the stem.

Step 47:
Curve the stem a little to make it look more natural.