Next form the petals of the tulip. Select the Preset Shapes tool, set to Ellipse, any line width, antialias checked, vector object checked, and background set to white and foreground to null.
Right Click your mouse in center of the first ellipse, and Draw an ellipse about the same size of first ellipse you drew above. Then, rotate it to the left by clicking on the middle node until you see a double arrow and drag up. Use the mover tool and position the bottom of this ellipse on the bottom part of the first ellipse.
The shape of the petal when finished will have a curve on the right side from the bottom part of the first ellipse to the top tip. The Top tip of the petal will be curved left, down slightly and in a bit. The bottom of the right petal will be curved to the bottom of the first ellipse. Some Grey on the first ellipse should show on the right side of the petal.
Click on the Vector Object Selection tool and then click on Node Edit. Add two new nodes, one on the right edge between the middle and bottom node, and one on the left edge between the middle and top node. (Use Control Key and click mouse to add a node.)
Click on the Object Selector tool and Node Edit. To shape the petal click on the bottom node, drag it to the bottom of the first ellipse and slightly to the left. Click on the left arrow of that node and rotate it up to smooth out the bottom right side. Click on the right side ball and move it in and up to curve with the grey line on the first ellipse.
Click on the right side node (that you added) between the bottom and middle node. Drag it inward to show some of the grey area of the first ellipse. You may need to click on the ends of that node (arrow or ball) and either lengthen or shorten it and rotate it slightly to get the curve along the grey area. Anytime you want to redo a curve, use [Control+Z] and then redo.
Click on the top node and bring each end of the node inward to the curve to create a point.
Click on the right middle node and position it (move node up and in slightly) to make a smooth curve ending in the top point of the petal. Use the arrow and ball rotating them slightly to get the petal appearance.
Click on the left node added between the left middle and top nodes and position it outward and down slightly to get a smoother look to the point.
Click on the left node between the middle and bottom nodes and move it out to further smooth out the petal.
Now just adjust the nodes to get the petal look. Use the arrow/ball and shorten or lengthen and rotate them slightly to develop the final look.