而533A花瓣皱缩，面积只占相应保持系的50%60%，四强雄蕊相对雌蕊花柱的位置在1/31/2；花粉败育不彻底，有微量花粉。
But the petals of 533A was shrink , the size was 50 % - 60 % theirs maintainers , length of the four stronger stamen was 1 / 3-1 / 2 of height of pistil , pollen abortive is no thorough and had a little pollen .
四强雄蕊