The half of sunflower The outer petal-bearing florets are the sterile florets and can be yellow. The florets inside the half-circular head are called disc florets which mature into seeds._站酷海洛_正版图片_视频_字体_音乐素材交易平台

The half of sunflower The outer petal-bearing florets are the sterile florets and can be yellow. The florets inside the half-circular head are called disc florets which mature into seeds.