Helophyte A perennial marsh plant that has its overwintering buds under water.

多年生的沼泽植物，具有水下越冬芽。

Helophyte A perennial marsh plant that has its overwintering buds under water. An example is bulrush(Typha).

多年生的沼泽植物，具有水下越冬芽。例如芦苇（香蒲）。