the number of ovules per flower

• 胚珠数

the number of ovules per flower的用法和样例：

例句

1. The nutritive reserves in angiosperm pollen grains and the pollen and ovule numbers of single flowers are considered to be correlated with the pollinating vectors.
   摘要植物花粉中营养物质的储存形式以及单花的花粉数与胚珠数被认为与其传粉系统有一定的联系。