Hosta ventricosa

the patterns of sex allocation within-inflorescences differed in three populations of hosta ventricosa.

主要研究结果如下：（1）紫萼三个种群中花序内的性分配模式都不同。

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the flowering synchrony was lower with only 0.17 to 0.34, there was significant difference in different years. 2, the relative flowering intensity frequency distributions of about 70%, indicating that hosta ventricosa has a higher relative intensity.

开花同步性较低，仅0.17-0.34，年际间差异显著。2、紫萼的开花强度分布频度在70%左右，表明紫萼具有较高的相对开花强度。

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The results showed that in nitrogen pollution water, the repair results of Eichhornia crassipes is better than Hosta ventricosa.

结果表明凤眼莲对氮污染水体的修复效果要好于紫萼玉簪。

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