Draw an artistic flower

The turtle of this code draw this flower layer by layer for all the 5 petals. This also consist many more curves. The turtle starts to draw reverse-side after it collected at the center of the flower.
 

from turtle import *
def fleur() :
    for i in range(600) :
        
        circle(150-i, 90)
        left(90)
        circle(150-i, 90)
        left(18)
        
    
fleur()
mainloop()