Step 1:
The yellow flower papers are 6x6 inches.
The leaf papers vary from about 5x5 inch to 7x7 inch.
The stem papers are rectangular papers.

Step 6:
Valley-fold the corners a little off-center.

Step 5:
Valley-fold the corners a little off-center.

Step 2:
Prefold the flower paper over these four lines.

Step 4:
Valley-fold the corners a little off-center.

Step 3:
Valley-fold the corners to the center.

Step 10:
Pull these four petals outwards by making an outside reverse fold on the four places with three pink lines.

Step 8:
Press these four spots inwards by folding over the 4 pink lines.
Turn the model again.

Step 9:
Pull the petal outwards by making an inside reverse fold over the three pink lines.
Do the same with the other three outer petals.

Step 7:
Turn the model.

Step 16:
Roll up completely and use tape or glue to fix it.

Step 15:
Now it's easier to roll up the paper.

Step 12:
Pull the final four petals outwards, see pink arrows.

Step 11:
Pull these four petals outwards by making an inside reverse fold on the four places with three pink lines.

Step 14:
Make about four valley-folds on a stem paper, start with the line below.

Step 13:
Make as many flowers as you want.

Step 21:
Valley-fold over these two lines, then turn the model.

Step 19:
Valley-fold on this leaf paper.

Step 20:
Valley-fold over these two lines.

Step 18:
The stem is curved / curled a little to make it look more natural / realistic.

Step 17:
Fold the top of the stem downwards, see very short pink line. Then glue a flower to the top.

Step 22:
Press these six spots inwards with your finger.

Step 25:
One leaf is done....

Step 24:
Press about three (random) edges inwards with your finger.

Step 23:
Valley-fold on these three edges, do the same on the other side.