The plants were slender and little with little flowers that had flat petals, bended stigmas, degenerative stamen, and dry anthers.

• (3)目前只在不同群体的雄性不育株中山现，与同源的黄色不育株形态相似，植株纤细矮小，花器也较小，花瓣较为平整，雌蕊弯曲，雄蕊退化，花药干缩。