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When the middle flower was already at the petal-stamen primordium stage, the side flowers started to differentiate.
侧花的分化始于中花的花瓣及雄蕊原基分化期。
youdao
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When the middle flower was already at the petal-stamen primordium stage, the side flowers started to differentiate.
侧花的分化始于中花的花瓣及雄蕊原基分化期。
youdao