FM3突变体植株在生殖生长过程中不能分化出正常小穗，其颖花内的雌蕊和雄蕊明显退化。
FM3 mutant could not produce normal caropses, but could develop abnormal caropses with degenerated pistil and stamens .
商陆属的雄蕊发生没有特定的顺序和方向，多雄蕊时内轮雄蕊先发生。
The stamen initiated in non-direction, and when the androecium has more stamens, the inner initiated first, then the outer.
花冠 筒 内丝状物为退化雄蕊的短花丝。
The thread in the corolla is the short filament of a degenerated stamen.
花冠 筒 内丝状物为退化雄蕊的短花丝。
The thread in the corolla is the short filament of a degenerated stamen.
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