I try to draw different floral but still using 'paint roll tool". First, I draw the flower, freestyle form. Add another form at the second layer for each flower. Then create dots surround it (just tap your apple pencil on screen).
Then for the leaf, move your paint roll tool as you make a line but not a straight line. Kind of giving a little zigzag along the line. Then use a fountain pen to draw the stem and use paint roll tool again to draw little pink flowers.