这些雄蕊的宽度为三毫米。
雄蕊是花的雄性部分。雌蕊是花的雌性部分。
The stamen is the male part of a flower. The pistil is the female part.
雄蕊的数目、形状、大小，尤其是药隔顶端的特征；
Number, shape and size of stamens, especially the apex of connectives;
雄蕊的数目、形状、大小，尤其是药隔顶端的特征；
Number, shape and size of stamens, especially the apex of connectives;
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