The reproductive structure of some seed-bearing plants, characteristically having either specialized male or female organs or both male and female organs, such as stamens and a pistil, enclosed in an outer envelope of petals and sepals.

• 花具有专门用途的雄性或雌性生殖器官之一或两者兼具的某种结籽植物的再生产结构，例如雄蕊和雌蕊，被包裹在外面的花瓣和萼片之中