Cây gió bầu

http://www.google.se/images?hl=sv&q=c%C3%A2y+gi%C3%B3+b%E1%BA%A7u&um=1&ie=UTF-8&source=univ&ei=fDp0TJ-RGo26OISelNYI&sa=X&oi=image_result_group&ct=title&resnum=4&ved=0CDUQsAQwAw