Step 1:
The flower and flower bud papers are 6x6inch.
Prefold

Step 6:
Fold this edge downwards

Step 5:
Prefold.

Step 2:
First valley-fold over the two lines at the bottom-right. Then mountain-fold over the two diagonal lines. And valley-fold over the two lines at the top left. All lines are prefolded.

Step 4:
Squash-fold.

Step 3:
Fold one flap straight upwards.

Step 10:
Fold the triangular flap to the inside.

Step 8:
Fold the little flap upwards.
Then repeat steps 4 to 8 on the other three flaps.

Step 9:
Open the model, see arrows.

Step 7:
Press the edges downwards/flat

Step 16:
Fold over these two lines.

Step 15:
Open the petal, see arrows.

Step 12:
Bookfold one layer.

Step 11:
Close the model again, see arrows.
Then repeat step 10 on the other three little flaps.

Step 14:
Pull the four petals outwards.

Step 13:
Fold over these two lines, repeat on the other three same places.

Step 21:
Start with step 14 for making a bud.
Fold the four edges downwards (the same way as in step 19).

Step 19:
Fold the four corners downwards by making an inside reverse fold.

Step 20:
Done......

Step 18:
Repeat steps 15 to 17 on the other three petals.

Step 17:
Press the petal flat again and curve it outwards.

Step 22:
Curve the petals inwards.

Step 28:
Curve the leaf

Step 25:
Fold over these two lines.

Step 26:
Fold over these two lines.

Step 24:
The leaf papers are 3x3inch.
Prefold in half.

Step 23:
And one flower bud is done too.....

Step 29:
Done......

Step 27:
Fold over these two lines.

Step 30:
Fold a standard printer-/copy-paper in half a few times.

Step 31:
Fold a green paper around the white stem base

Step 32:
Glue a flower or bud and a few leafs to the stem.
Then bend/curve the stem a little to make it look more natural.