英语语法分析

Perhaps they played the function as chalazal end of the haustorium.

作者认为它们是起了合点端吸器的功能。

Endosperm formation is nuclear type and the endosperm forms chalazal haustorium.

核型胚乳，合点端具胚乳吸器。

The primary chalazal haustorium ramifies around the vascular tissues of the ovule.

初生合点吸器沿着胚珠的维管组织分支。