花丝：1。被子植物中，雄蕊支撑花药的柄。
Filament 1. The stalk of the stamen bearing the anther in angiosperms.
花丝在雄蕊里产生花药的柄。
证实短柄五加为雄蕊先熟植物。 开花第5天，成熟胚囊的比率为5769％，其余为退化和不育胚囊。
On the fifth day after anthesis, about 57.69% of the embryo sacs matured and the rest degenerated or failed to develop.
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