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Both stigma and anthers did not come into touch when the corolla wilted in most of the monitored flowers and such herkogamy favours outcrossing. 2個(gè)種群的多數(shù)個(gè)體存在自交不親和機(jī)制, 應(yīng)具有異花傳粉的繁育系統(tǒng);